diff --git a/fragment/sdk/__init__.py b/fragment/sdk/__init__.py
index 7501db8..bafdb82 100644
--- a/fragment/sdk/__init__.py
+++ b/fragment/sdk/__init__.py
@@ -97,6 +97,9 @@
     SchemaConsistencyMode,
     SchemaLedgerAccountStatus,
     SchemaLedgerEntryStatus,
+    SchemaPaymentEntryStatus,
+    SchemaPaymentTypeDirection,
+    SchemaSystemLineKind,
     StripeEnv,
     TxType,
     UnitEnv,
@@ -222,6 +225,7 @@
     LedgerLineInput,
     LedgerLineMatchInput,
     LedgerLinesFilterSet,
+    LedgerLineTagInput,
     LedgerMatchInput,
     LedgersFilterSet,
     LedgerTypeFilter,
@@ -245,7 +249,13 @@
     SchemaLedgerEntryTagInput,
     SchemaLedgerLineInput,
     SchemaMatchInput,
+    SchemaPaymentAccountingInput,
+    SchemaPaymentEntryInput,
     SchemaPaymentInput,
+    SchemaPaymentLineInput,
+    SchemaPaymentsInput,
+    SchemaPaymentTypeDetailsInput,
+    SchemaPaymentTypeInput,
     SchemaRepeatedConfigInput,
     SchemaTxMatchInput,
     StringFilter,
@@ -257,6 +267,7 @@
     UpdateLedgerAccountInput,
     UpdateLedgerEntryInput,
     UpdateLedgerInput,
+    UpdateLedgerLineInput,
 )
 from .list_ledger_account_balances import (
     ListLedgerAccountBalances,
@@ -577,6 +588,7 @@
     "LedgerEntryTagInput",
     "LedgerLineInput",
     "LedgerLineMatchInput",
+    "LedgerLineTagInput",
     "LedgerLinesConsistencyMode",
     "LedgerLinesFilterSet",
     "LedgerMatchInput",
@@ -693,8 +705,17 @@
     "SchemaLedgerEntryTagInput",
     "SchemaLedgerLineInput",
     "SchemaMatchInput",
+    "SchemaPaymentAccountingInput",
+    "SchemaPaymentEntryInput",
+    "SchemaPaymentEntryStatus",
     "SchemaPaymentInput",
+    "SchemaPaymentLineInput",
+    "SchemaPaymentTypeDetailsInput",
+    "SchemaPaymentTypeDirection",
+    "SchemaPaymentTypeInput",
+    "SchemaPaymentsInput",
     "SchemaRepeatedConfigInput",
+    "SchemaSystemLineKind",
     "SchemaTxMatchInput",
     "StoreSchema",
     "StoreSchemaStoreSchemaBadRequestError",
@@ -736,6 +757,7 @@
     "UpdateLedgerEntryUpdateLedgerEntryUpdateLedgerEntryResultEntryLinesNodesAccount",
     "UpdateLedgerEntryUpdateLedgerEntryUpdateLedgerEntryResultEntryTags",
     "UpdateLedgerInput",
+    "UpdateLedgerLineInput",
     "UpdateLedgerUpdateLedgerBadRequestError",
     "UpdateLedgerUpdateLedgerInternalError",
     "UpdateLedgerUpdateLedgerUpdateLedgerResult",
diff --git a/fragment/sdk/enums.py b/fragment/sdk/enums.py
index 1c9468d..26a6de2 100644
--- a/fragment/sdk/enums.py
+++ b/fragment/sdk/enums.py
@@ -299,6 +299,20 @@ class SchemaLedgerEntryStatus(str, Enum):
     disabled = "disabled"
 
 
+class SchemaPaymentEntryStatus(str, Enum):
+    active = "active"
+
+
+class SchemaPaymentTypeDirection(str, Enum):
+    payin = "payin"
+    payout = "payout"
+
+
+class SchemaSystemLineKind(str, Enum):
+    payment_fee_line = "payment_fee_line"
+    payment_settlement_line = "payment_settlement_line"
+
+
 class StripeEnv(str, Enum):
     livemode = "livemode"
     testmode = "testmode"
diff --git a/fragment/sdk/input_types.py b/fragment/sdk/input_types.py
index 8aa8a9f..62531a3 100644
--- a/fragment/sdk/input_types.py
+++ b/fragment/sdk/input_types.py
@@ -21,6 +21,9 @@
     SchemaConsistencyMode,
     SchemaLedgerAccountStatus,
     SchemaLedgerEntryStatus,
+    SchemaPaymentEntryStatus,
+    SchemaPaymentTypeDirection,
+    SchemaSystemLineKind,
     TxType,
 )
 
@@ -576,6 +579,13 @@ class LedgerLineMatchInput(BaseModel):
     "The FRAGMENT ID of the ledger line"
 
 
+class LedgerLineTagInput(BaseModel):
+    key: Any
+    "The key of this tag. Can be up to 128 characters long."
+    value: Any
+    "The value associated with this tag's key. Can be up to 128 characters long."
+
+
 class LedgerLinesFilterSet(BaseModel):
     created: Optional["DateTimeFilter"] = None
     "Filter by the created timestamp of the Ledger Line. This is the wall-clock time when the Ledger Line was created."
@@ -726,6 +736,8 @@ class SchemaInput(BaseModel):
     "The Ledger Entries to add to the Schema."
     name: Optional[Any] = None
     "The human-readable name of the Schema."
+    payments: Optional["SchemaPaymentsInput"] = None
+    "EXPERIMENTAL: The Payment Types to add to the Schema."
     scenes: Optional[list["SceneInput"]] = None
     "Any scenes associated with this Schema."
 
@@ -879,12 +891,80 @@ class SchemaMatchInput(BaseModel):
     "Optional parameter to specify version of requested Schema. If not provided, it defaults to 0, representing the latest available version for the provided Schema key."
 
 
+class SchemaPaymentAccountingInput(BaseModel):
+    """EXPERIMENTAL: The Ledger Entries a Payment Type posts as a payment moves
+    through its lifecycle, keyed by lifecycle transition."""
+
+    needs_confirmation_to_processing: Optional["SchemaPaymentEntryInput"] = None
+    "Posted when the payment enters processing. Optional."
+    processing_to_settled: "SchemaPaymentEntryInput"
+    "Posted when the payment settles. Every Payment Type must define it."
+
+
+class SchemaPaymentEntryInput(BaseModel):
+    """EXPERIMENTAL: The Ledger Entry a Payment Type posts on a payment lifecycle event."""
+
+    description: Optional[Any] = None
+    "Human-readable description of the payment entry."
+    lines: list["SchemaPaymentLineInput"]
+    "The Ledger Lines in the payment entry."
+
+
 class SchemaPaymentInput(BaseModel):
     """EXPERIMENTAL: Marks a Ledger Account as a Payment Account."""
 
     penguin: bool
 
 
+class SchemaPaymentLineInput(BaseModel):
+    """EXPERIMENTAL: A Ledger Line in a payment entry."""
+
+    account: "SchemaLedgerAccountMatchInput"
+    "The Ledger Account this line will be posted to.\nIt supports parameters in its attributes via handlebars syntax."
+    amount: Any
+    "The amount of the line. It supports parameters via the handlebars syntax and addition (+) and subtraction (-)."
+    currency: Optional["SchemaCurrencyMatchInput"] = None
+    "The currency of the line. This is required if the Ledger Account has currencyMode multi.\nIt supports parameters in its attributes via handlebars syntax."
+    description: Optional[Any] = None
+    "Human-readable description of the line."
+    key: Any
+    "The key for the line. Keys must be unique within a payment entry."
+    system: Optional[SchemaSystemLineKind] = None
+    "Marks this as a system-owned line. Fragment fills the amounts of system\nlines when the payment entry is posted."
+
+
+class SchemaPaymentTypeDetailsInput(BaseModel):
+    """EXPERIMENTAL: The payment a Payment Type creates."""
+
+    amount: Any
+    "The amount requested for the payment, as a parameterized expression filled\nfrom createPayment parameters."
+    direction: SchemaPaymentTypeDirection
+    "The direction the payment moves money."
+
+
+class SchemaPaymentTypeInput(BaseModel):
+    """EXPERIMENTAL: A Payment Type in a Schema. All Payment Types defined in a
+    Schema must have a unique `type` and `typeVersion` pair."""
+
+    accounting: "SchemaPaymentAccountingInput"
+    "The Ledger Entries posted as the payment moves through its lifecycle."
+    payment: "SchemaPaymentTypeDetailsInput"
+    "The payment this Payment Type creates."
+    status: SchemaPaymentEntryStatus
+    "The status of this Payment Type."
+    type_: Any = Field(alias="type")
+    "The type of this Payment Type. This is a stable, unique identifier for it.\nUniqueness is enforced at the Schema level."
+    type_version: int = Field(alias="typeVersion")
+    "The version of the Payment Type."
+
+
+class SchemaPaymentsInput(BaseModel):
+    """EXPERIMENTAL: The Payment Types in your Schema."""
+
+    types: list["SchemaPaymentTypeInput"]
+    "A list of Payment Type definitions."
+
+
 class SchemaRepeatedConfigInput(BaseModel):
     """Configuration for repeated expansion of a line or condition. The key names a client-supplied
     array parameter whose elements each generate one copy of the line or condition at runtime.
@@ -995,6 +1075,10 @@ class UpdateLedgerAccountInput(BaseModel):
 class UpdateLedgerEntryInput(BaseModel):
     groups: Optional[list["LedgerEntryGroupInput"]] = None
     "The list of Groups to add to this Ledger Entry."
+    ledger_lines: Optional[list["UpdateLedgerLineInput"]] = Field(
+        alias="ledgerLines", default=None
+    )
+    "The list of Ledger Line updates to apply to Ledger Lines on this Ledger Entry."
     tags: Optional[list["LedgerEntryTagInput"]] = None
     "The list of Tags to add and/or update on this Ledger Entry."
     tags_to_remove: Optional[list["LedgerEntryTagInput"]] = Field(
@@ -1008,6 +1092,17 @@ class UpdateLedgerInput(BaseModel):
     "The new Ledger name. "
 
 
+class UpdateLedgerLineInput(BaseModel):
+    ledger_line: "LedgerLineMatchInput" = Field(alias="ledgerLine")
+    "The Ledger Line that is being updated. It must belong to the Ledger Entry being updated."
+    tags: Optional[list["LedgerLineTagInput"]] = None
+    "The list of Tags to add and/or update on this Ledger Line."
+    tags_to_remove: Optional[list["LedgerLineTagInput"]] = Field(
+        alias="tagsToRemove", default=None
+    )
+    "The list of Tags to remove from this Ledger Line."
+
+
 AddLedgerEntryInput.model_rebuild()
 ChartOfAccountsInput.model_rebuild()
 CreateLedgerAccountInput.model_rebuild()
@@ -1049,6 +1144,12 @@ class UpdateLedgerInput(BaseModel):
 SchemaLedgerEntryConditionInput.model_rebuild()
 SchemaLedgerEntryInput.model_rebuild()
 SchemaLedgerLineInput.model_rebuild()
+SchemaPaymentAccountingInput.model_rebuild()
+SchemaPaymentEntryInput.model_rebuild()
+SchemaPaymentLineInput.model_rebuild()
+SchemaPaymentTypeInput.model_rebuild()
+SchemaPaymentsInput.model_rebuild()
 TagFilter.model_rebuild()
 UpdateLedgerAccountInput.model_rebuild()
 UpdateLedgerEntryInput.model_rebuild()
+UpdateLedgerLineInput.model_rebuild()
diff --git a/fragment/sync_sdk/__init__.py b/fragment/sync_sdk/__init__.py
index 13c45a6..1c70f15 100644
--- a/fragment/sync_sdk/__init__.py
+++ b/fragment/sync_sdk/__init__.py
@@ -96,6 +96,9 @@
     SchemaConsistencyMode,
     SchemaLedgerAccountStatus,
     SchemaLedgerEntryStatus,
+    SchemaPaymentEntryStatus,
+    SchemaPaymentTypeDirection,
+    SchemaSystemLineKind,
     StripeEnv,
     TxType,
     UnitEnv,
@@ -221,6 +224,7 @@
     LedgerLineInput,
     LedgerLineMatchInput,
     LedgerLinesFilterSet,
+    LedgerLineTagInput,
     LedgerMatchInput,
     LedgersFilterSet,
     LedgerTypeFilter,
@@ -244,7 +248,13 @@
     SchemaLedgerEntryTagInput,
     SchemaLedgerLineInput,
     SchemaMatchInput,
+    SchemaPaymentAccountingInput,
+    SchemaPaymentEntryInput,
     SchemaPaymentInput,
+    SchemaPaymentLineInput,
+    SchemaPaymentsInput,
+    SchemaPaymentTypeDetailsInput,
+    SchemaPaymentTypeInput,
     SchemaRepeatedConfigInput,
     SchemaTxMatchInput,
     StringFilter,
@@ -256,6 +266,7 @@
     UpdateLedgerAccountInput,
     UpdateLedgerEntryInput,
     UpdateLedgerInput,
+    UpdateLedgerLineInput,
 )
 from .list_ledger_account_balances import (
     ListLedgerAccountBalances,
@@ -576,6 +587,7 @@
     "LedgerEntryTagInput",
     "LedgerLineInput",
     "LedgerLineMatchInput",
+    "LedgerLineTagInput",
     "LedgerLinesConsistencyMode",
     "LedgerLinesFilterSet",
     "LedgerMatchInput",
@@ -692,8 +704,17 @@
     "SchemaLedgerEntryTagInput",
     "SchemaLedgerLineInput",
     "SchemaMatchInput",
+    "SchemaPaymentAccountingInput",
+    "SchemaPaymentEntryInput",
+    "SchemaPaymentEntryStatus",
     "SchemaPaymentInput",
+    "SchemaPaymentLineInput",
+    "SchemaPaymentTypeDetailsInput",
+    "SchemaPaymentTypeDirection",
+    "SchemaPaymentTypeInput",
+    "SchemaPaymentsInput",
     "SchemaRepeatedConfigInput",
+    "SchemaSystemLineKind",
     "SchemaTxMatchInput",
     "StoreSchema",
     "StoreSchemaStoreSchemaBadRequestError",
@@ -736,6 +757,7 @@
     "UpdateLedgerEntryUpdateLedgerEntryUpdateLedgerEntryResultEntryLinesNodesAccount",
     "UpdateLedgerEntryUpdateLedgerEntryUpdateLedgerEntryResultEntryTags",
     "UpdateLedgerInput",
+    "UpdateLedgerLineInput",
     "UpdateLedgerUpdateLedgerBadRequestError",
     "UpdateLedgerUpdateLedgerInternalError",
     "UpdateLedgerUpdateLedgerUpdateLedgerResult",
diff --git a/fragment/sync_sdk/enums.py b/fragment/sync_sdk/enums.py
index 1c9468d..26a6de2 100644
--- a/fragment/sync_sdk/enums.py
+++ b/fragment/sync_sdk/enums.py
@@ -299,6 +299,20 @@ class SchemaLedgerEntryStatus(str, Enum):
     disabled = "disabled"
 
 
+class SchemaPaymentEntryStatus(str, Enum):
+    active = "active"
+
+
+class SchemaPaymentTypeDirection(str, Enum):
+    payin = "payin"
+    payout = "payout"
+
+
+class SchemaSystemLineKind(str, Enum):
+    payment_fee_line = "payment_fee_line"
+    payment_settlement_line = "payment_settlement_line"
+
+
 class StripeEnv(str, Enum):
     livemode = "livemode"
     testmode = "testmode"
diff --git a/fragment/sync_sdk/input_types.py b/fragment/sync_sdk/input_types.py
index 8aa8a9f..62531a3 100644
--- a/fragment/sync_sdk/input_types.py
+++ b/fragment/sync_sdk/input_types.py
@@ -21,6 +21,9 @@
     SchemaConsistencyMode,
     SchemaLedgerAccountStatus,
     SchemaLedgerEntryStatus,
+    SchemaPaymentEntryStatus,
+    SchemaPaymentTypeDirection,
+    SchemaSystemLineKind,
     TxType,
 )
 
@@ -576,6 +579,13 @@ class LedgerLineMatchInput(BaseModel):
     "The FRAGMENT ID of the ledger line"
 
 
+class LedgerLineTagInput(BaseModel):
+    key: Any
+    "The key of this tag. Can be up to 128 characters long."
+    value: Any
+    "The value associated with this tag's key. Can be up to 128 characters long."
+
+
 class LedgerLinesFilterSet(BaseModel):
     created: Optional["DateTimeFilter"] = None
     "Filter by the created timestamp of the Ledger Line. This is the wall-clock time when the Ledger Line was created."
@@ -726,6 +736,8 @@ class SchemaInput(BaseModel):
     "The Ledger Entries to add to the Schema."
     name: Optional[Any] = None
     "The human-readable name of the Schema."
+    payments: Optional["SchemaPaymentsInput"] = None
+    "EXPERIMENTAL: The Payment Types to add to the Schema."
     scenes: Optional[list["SceneInput"]] = None
     "Any scenes associated with this Schema."
 
@@ -879,12 +891,80 @@ class SchemaMatchInput(BaseModel):
     "Optional parameter to specify version of requested Schema. If not provided, it defaults to 0, representing the latest available version for the provided Schema key."
 
 
+class SchemaPaymentAccountingInput(BaseModel):
+    """EXPERIMENTAL: The Ledger Entries a Payment Type posts as a payment moves
+    through its lifecycle, keyed by lifecycle transition."""
+
+    needs_confirmation_to_processing: Optional["SchemaPaymentEntryInput"] = None
+    "Posted when the payment enters processing. Optional."
+    processing_to_settled: "SchemaPaymentEntryInput"
+    "Posted when the payment settles. Every Payment Type must define it."
+
+
+class SchemaPaymentEntryInput(BaseModel):
+    """EXPERIMENTAL: The Ledger Entry a Payment Type posts on a payment lifecycle event."""
+
+    description: Optional[Any] = None
+    "Human-readable description of the payment entry."
+    lines: list["SchemaPaymentLineInput"]
+    "The Ledger Lines in the payment entry."
+
+
 class SchemaPaymentInput(BaseModel):
     """EXPERIMENTAL: Marks a Ledger Account as a Payment Account."""
 
     penguin: bool
 
 
+class SchemaPaymentLineInput(BaseModel):
+    """EXPERIMENTAL: A Ledger Line in a payment entry."""
+
+    account: "SchemaLedgerAccountMatchInput"
+    "The Ledger Account this line will be posted to.\nIt supports parameters in its attributes via handlebars syntax."
+    amount: Any
+    "The amount of the line. It supports parameters via the handlebars syntax and addition (+) and subtraction (-)."
+    currency: Optional["SchemaCurrencyMatchInput"] = None
+    "The currency of the line. This is required if the Ledger Account has currencyMode multi.\nIt supports parameters in its attributes via handlebars syntax."
+    description: Optional[Any] = None
+    "Human-readable description of the line."
+    key: Any
+    "The key for the line. Keys must be unique within a payment entry."
+    system: Optional[SchemaSystemLineKind] = None
+    "Marks this as a system-owned line. Fragment fills the amounts of system\nlines when the payment entry is posted."
+
+
+class SchemaPaymentTypeDetailsInput(BaseModel):
+    """EXPERIMENTAL: The payment a Payment Type creates."""
+
+    amount: Any
+    "The amount requested for the payment, as a parameterized expression filled\nfrom createPayment parameters."
+    direction: SchemaPaymentTypeDirection
+    "The direction the payment moves money."
+
+
+class SchemaPaymentTypeInput(BaseModel):
+    """EXPERIMENTAL: A Payment Type in a Schema. All Payment Types defined in a
+    Schema must have a unique `type` and `typeVersion` pair."""
+
+    accounting: "SchemaPaymentAccountingInput"
+    "The Ledger Entries posted as the payment moves through its lifecycle."
+    payment: "SchemaPaymentTypeDetailsInput"
+    "The payment this Payment Type creates."
+    status: SchemaPaymentEntryStatus
+    "The status of this Payment Type."
+    type_: Any = Field(alias="type")
+    "The type of this Payment Type. This is a stable, unique identifier for it.\nUniqueness is enforced at the Schema level."
+    type_version: int = Field(alias="typeVersion")
+    "The version of the Payment Type."
+
+
+class SchemaPaymentsInput(BaseModel):
+    """EXPERIMENTAL: The Payment Types in your Schema."""
+
+    types: list["SchemaPaymentTypeInput"]
+    "A list of Payment Type definitions."
+
+
 class SchemaRepeatedConfigInput(BaseModel):
     """Configuration for repeated expansion of a line or condition. The key names a client-supplied
     array parameter whose elements each generate one copy of the line or condition at runtime.
@@ -995,6 +1075,10 @@ class UpdateLedgerAccountInput(BaseModel):
 class UpdateLedgerEntryInput(BaseModel):
     groups: Optional[list["LedgerEntryGroupInput"]] = None
     "The list of Groups to add to this Ledger Entry."
+    ledger_lines: Optional[list["UpdateLedgerLineInput"]] = Field(
+        alias="ledgerLines", default=None
+    )
+    "The list of Ledger Line updates to apply to Ledger Lines on this Ledger Entry."
     tags: Optional[list["LedgerEntryTagInput"]] = None
     "The list of Tags to add and/or update on this Ledger Entry."
     tags_to_remove: Optional[list["LedgerEntryTagInput"]] = Field(
@@ -1008,6 +1092,17 @@ class UpdateLedgerInput(BaseModel):
     "The new Ledger name. "
 
 
+class UpdateLedgerLineInput(BaseModel):
+    ledger_line: "LedgerLineMatchInput" = Field(alias="ledgerLine")
+    "The Ledger Line that is being updated. It must belong to the Ledger Entry being updated."
+    tags: Optional[list["LedgerLineTagInput"]] = None
+    "The list of Tags to add and/or update on this Ledger Line."
+    tags_to_remove: Optional[list["LedgerLineTagInput"]] = Field(
+        alias="tagsToRemove", default=None
+    )
+    "The list of Tags to remove from this Ledger Line."
+
+
 AddLedgerEntryInput.model_rebuild()
 ChartOfAccountsInput.model_rebuild()
 CreateLedgerAccountInput.model_rebuild()
@@ -1049,6 +1144,12 @@ class UpdateLedgerInput(BaseModel):
 SchemaLedgerEntryConditionInput.model_rebuild()
 SchemaLedgerEntryInput.model_rebuild()
 SchemaLedgerLineInput.model_rebuild()
+SchemaPaymentAccountingInput.model_rebuild()
+SchemaPaymentEntryInput.model_rebuild()
+SchemaPaymentLineInput.model_rebuild()
+SchemaPaymentTypeInput.model_rebuild()
+SchemaPaymentsInput.model_rebuild()
 TagFilter.model_rebuild()
 UpdateLedgerAccountInput.model_rebuild()
 UpdateLedgerEntryInput.model_rebuild()
+UpdateLedgerLineInput.model_rebuild()
diff --git a/tests/snapshots/001-marketing-schema/sdk/__init__.py b/tests/snapshots/001-marketing-schema/sdk/__init__.py
index ffa9633..ab75f6f 100644
--- a/tests/snapshots/001-marketing-schema/sdk/__init__.py
+++ b/tests/snapshots/001-marketing-schema/sdk/__init__.py
@@ -97,6 +97,9 @@
     SchemaConsistencyMode,
     SchemaLedgerAccountStatus,
     SchemaLedgerEntryStatus,
+    SchemaPaymentEntryStatus,
+    SchemaPaymentTypeDirection,
+    SchemaSystemLineKind,
     StripeEnv,
     TxType,
     UnitEnv,
@@ -222,6 +225,7 @@
     LedgerLineInput,
     LedgerLineMatchInput,
     LedgerLinesFilterSet,
+    LedgerLineTagInput,
     LedgerMatchInput,
     LedgersFilterSet,
     LedgerTypeFilter,
@@ -245,7 +249,13 @@
     SchemaLedgerEntryTagInput,
     SchemaLedgerLineInput,
     SchemaMatchInput,
+    SchemaPaymentAccountingInput,
+    SchemaPaymentEntryInput,
     SchemaPaymentInput,
+    SchemaPaymentLineInput,
+    SchemaPaymentsInput,
+    SchemaPaymentTypeDetailsInput,
+    SchemaPaymentTypeInput,
     SchemaRepeatedConfigInput,
     SchemaTxMatchInput,
     StringFilter,
@@ -257,6 +267,7 @@
     UpdateLedgerAccountInput,
     UpdateLedgerEntryInput,
     UpdateLedgerInput,
+    UpdateLedgerLineInput,
 )
 from .list_ledger_account_balances import (
     ListLedgerAccountBalances,
@@ -694,6 +705,7 @@
     "LedgerEntryTagInput",
     "LedgerLineInput",
     "LedgerLineMatchInput",
+    "LedgerLineTagInput",
     "LedgerLinesConsistencyMode",
     "LedgerLinesFilterSet",
     "LedgerMatchInput",
@@ -909,8 +921,17 @@
     "SchemaLedgerEntryTagInput",
     "SchemaLedgerLineInput",
     "SchemaMatchInput",
+    "SchemaPaymentAccountingInput",
+    "SchemaPaymentEntryInput",
+    "SchemaPaymentEntryStatus",
     "SchemaPaymentInput",
+    "SchemaPaymentLineInput",
+    "SchemaPaymentTypeDetailsInput",
+    "SchemaPaymentTypeDirection",
+    "SchemaPaymentTypeInput",
+    "SchemaPaymentsInput",
     "SchemaRepeatedConfigInput",
+    "SchemaSystemLineKind",
     "SchemaTxMatchInput",
     "StoreSchema",
     "StoreSchemaStoreSchemaBadRequestError",
@@ -952,6 +973,7 @@
     "UpdateLedgerEntryUpdateLedgerEntryUpdateLedgerEntryResultEntryLinesNodesAccount",
     "UpdateLedgerEntryUpdateLedgerEntryUpdateLedgerEntryResultEntryTags",
     "UpdateLedgerInput",
+    "UpdateLedgerLineInput",
     "UpdateLedgerUpdateLedgerBadRequestError",
     "UpdateLedgerUpdateLedgerInternalError",
     "UpdateLedgerUpdateLedgerUpdateLedgerResult",
diff --git a/tests/snapshots/001-marketing-schema/sdk/enums.py b/tests/snapshots/001-marketing-schema/sdk/enums.py
index 1c9468d..26a6de2 100644
--- a/tests/snapshots/001-marketing-schema/sdk/enums.py
+++ b/tests/snapshots/001-marketing-schema/sdk/enums.py
@@ -299,6 +299,20 @@ class SchemaLedgerEntryStatus(str, Enum):
     disabled = "disabled"
 
 
+class SchemaPaymentEntryStatus(str, Enum):
+    active = "active"
+
+
+class SchemaPaymentTypeDirection(str, Enum):
+    payin = "payin"
+    payout = "payout"
+
+
+class SchemaSystemLineKind(str, Enum):
+    payment_fee_line = "payment_fee_line"
+    payment_settlement_line = "payment_settlement_line"
+
+
 class StripeEnv(str, Enum):
     livemode = "livemode"
     testmode = "testmode"
diff --git a/tests/snapshots/001-marketing-schema/sdk/input_types.py b/tests/snapshots/001-marketing-schema/sdk/input_types.py
index 8aa8a9f..62531a3 100644
--- a/tests/snapshots/001-marketing-schema/sdk/input_types.py
+++ b/tests/snapshots/001-marketing-schema/sdk/input_types.py
@@ -21,6 +21,9 @@
     SchemaConsistencyMode,
     SchemaLedgerAccountStatus,
     SchemaLedgerEntryStatus,
+    SchemaPaymentEntryStatus,
+    SchemaPaymentTypeDirection,
+    SchemaSystemLineKind,
     TxType,
 )
 
@@ -576,6 +579,13 @@ class LedgerLineMatchInput(BaseModel):
     "The FRAGMENT ID of the ledger line"
 
 
+class LedgerLineTagInput(BaseModel):
+    key: Any
+    "The key of this tag. Can be up to 128 characters long."
+    value: Any
+    "The value associated with this tag's key. Can be up to 128 characters long."
+
+
 class LedgerLinesFilterSet(BaseModel):
     created: Optional["DateTimeFilter"] = None
     "Filter by the created timestamp of the Ledger Line. This is the wall-clock time when the Ledger Line was created."
@@ -726,6 +736,8 @@ class SchemaInput(BaseModel):
     "The Ledger Entries to add to the Schema."
     name: Optional[Any] = None
     "The human-readable name of the Schema."
+    payments: Optional["SchemaPaymentsInput"] = None
+    "EXPERIMENTAL: The Payment Types to add to the Schema."
     scenes: Optional[list["SceneInput"]] = None
     "Any scenes associated with this Schema."
 
@@ -879,12 +891,80 @@ class SchemaMatchInput(BaseModel):
     "Optional parameter to specify version of requested Schema. If not provided, it defaults to 0, representing the latest available version for the provided Schema key."
 
 
+class SchemaPaymentAccountingInput(BaseModel):
+    """EXPERIMENTAL: The Ledger Entries a Payment Type posts as a payment moves
+    through its lifecycle, keyed by lifecycle transition."""
+
+    needs_confirmation_to_processing: Optional["SchemaPaymentEntryInput"] = None
+    "Posted when the payment enters processing. Optional."
+    processing_to_settled: "SchemaPaymentEntryInput"
+    "Posted when the payment settles. Every Payment Type must define it."
+
+
+class SchemaPaymentEntryInput(BaseModel):
+    """EXPERIMENTAL: The Ledger Entry a Payment Type posts on a payment lifecycle event."""
+
+    description: Optional[Any] = None
+    "Human-readable description of the payment entry."
+    lines: list["SchemaPaymentLineInput"]
+    "The Ledger Lines in the payment entry."
+
+
 class SchemaPaymentInput(BaseModel):
     """EXPERIMENTAL: Marks a Ledger Account as a Payment Account."""
 
     penguin: bool
 
 
+class SchemaPaymentLineInput(BaseModel):
+    """EXPERIMENTAL: A Ledger Line in a payment entry."""
+
+    account: "SchemaLedgerAccountMatchInput"
+    "The Ledger Account this line will be posted to.\nIt supports parameters in its attributes via handlebars syntax."
+    amount: Any
+    "The amount of the line. It supports parameters via the handlebars syntax and addition (+) and subtraction (-)."
+    currency: Optional["SchemaCurrencyMatchInput"] = None
+    "The currency of the line. This is required if the Ledger Account has currencyMode multi.\nIt supports parameters in its attributes via handlebars syntax."
+    description: Optional[Any] = None
+    "Human-readable description of the line."
+    key: Any
+    "The key for the line. Keys must be unique within a payment entry."
+    system: Optional[SchemaSystemLineKind] = None
+    "Marks this as a system-owned line. Fragment fills the amounts of system\nlines when the payment entry is posted."
+
+
+class SchemaPaymentTypeDetailsInput(BaseModel):
+    """EXPERIMENTAL: The payment a Payment Type creates."""
+
+    amount: Any
+    "The amount requested for the payment, as a parameterized expression filled\nfrom createPayment parameters."
+    direction: SchemaPaymentTypeDirection
+    "The direction the payment moves money."
+
+
+class SchemaPaymentTypeInput(BaseModel):
+    """EXPERIMENTAL: A Payment Type in a Schema. All Payment Types defined in a
+    Schema must have a unique `type` and `typeVersion` pair."""
+
+    accounting: "SchemaPaymentAccountingInput"
+    "The Ledger Entries posted as the payment moves through its lifecycle."
+    payment: "SchemaPaymentTypeDetailsInput"
+    "The payment this Payment Type creates."
+    status: SchemaPaymentEntryStatus
+    "The status of this Payment Type."
+    type_: Any = Field(alias="type")
+    "The type of this Payment Type. This is a stable, unique identifier for it.\nUniqueness is enforced at the Schema level."
+    type_version: int = Field(alias="typeVersion")
+    "The version of the Payment Type."
+
+
+class SchemaPaymentsInput(BaseModel):
+    """EXPERIMENTAL: The Payment Types in your Schema."""
+
+    types: list["SchemaPaymentTypeInput"]
+    "A list of Payment Type definitions."
+
+
 class SchemaRepeatedConfigInput(BaseModel):
     """Configuration for repeated expansion of a line or condition. The key names a client-supplied
     array parameter whose elements each generate one copy of the line or condition at runtime.
@@ -995,6 +1075,10 @@ class UpdateLedgerAccountInput(BaseModel):
 class UpdateLedgerEntryInput(BaseModel):
     groups: Optional[list["LedgerEntryGroupInput"]] = None
     "The list of Groups to add to this Ledger Entry."
+    ledger_lines: Optional[list["UpdateLedgerLineInput"]] = Field(
+        alias="ledgerLines", default=None
+    )
+    "The list of Ledger Line updates to apply to Ledger Lines on this Ledger Entry."
     tags: Optional[list["LedgerEntryTagInput"]] = None
     "The list of Tags to add and/or update on this Ledger Entry."
     tags_to_remove: Optional[list["LedgerEntryTagInput"]] = Field(
@@ -1008,6 +1092,17 @@ class UpdateLedgerInput(BaseModel):
     "The new Ledger name. "
 
 
+class UpdateLedgerLineInput(BaseModel):
+    ledger_line: "LedgerLineMatchInput" = Field(alias="ledgerLine")
+    "The Ledger Line that is being updated. It must belong to the Ledger Entry being updated."
+    tags: Optional[list["LedgerLineTagInput"]] = None
+    "The list of Tags to add and/or update on this Ledger Line."
+    tags_to_remove: Optional[list["LedgerLineTagInput"]] = Field(
+        alias="tagsToRemove", default=None
+    )
+    "The list of Tags to remove from this Ledger Line."
+
+
 AddLedgerEntryInput.model_rebuild()
 ChartOfAccountsInput.model_rebuild()
 CreateLedgerAccountInput.model_rebuild()
@@ -1049,6 +1144,12 @@ class UpdateLedgerInput(BaseModel):
 SchemaLedgerEntryConditionInput.model_rebuild()
 SchemaLedgerEntryInput.model_rebuild()
 SchemaLedgerLineInput.model_rebuild()
+SchemaPaymentAccountingInput.model_rebuild()
+SchemaPaymentEntryInput.model_rebuild()
+SchemaPaymentLineInput.model_rebuild()
+SchemaPaymentTypeInput.model_rebuild()
+SchemaPaymentsInput.model_rebuild()
 TagFilter.model_rebuild()
 UpdateLedgerAccountInput.model_rebuild()
 UpdateLedgerEntryInput.model_rebuild()
+UpdateLedgerLineInput.model_rebuild()
diff --git a/tests/snapshots/schema.graphql b/tests/snapshots/schema.graphql
index 0db10f9..17d23b5 100644
--- a/tests/snapshots/schema.graphql
+++ b/tests/snapshots/schema.graphql
@@ -3065,6 +3065,16 @@ type LedgerLineTag {
   value: SafeString!
 }
 
+input LedgerLineTagInput {
+  """The key of this tag. Can be up to 128 characters long."""
+  key: SafeString!
+
+  """
+  The value associated with this tag's key. Can be up to 128 characters long.
+  """
+  value: SafeString!
+}
+
 """A paginated list of Ledger Lines"""
 type LedgerLinesConnection {
   """The current page of results"""
@@ -3509,7 +3519,7 @@ type Mutation {
     ledgerEntry: LedgerEntryMatchInput!
 
     """
-    The payload containing the fields to update. Only a Ledger Entry's tags can be updated.
+    The payload containing the fields to update. Only a Ledger Entry's tags and its Ledger Lines' tags can be updated.
     """
     update: UpdateLedgerEntryInput!
   ): UpdateLedgerEntryResponse!
@@ -4018,6 +4028,9 @@ input SchemaInput {
   """The human-readable name of the Schema."""
   name: ParameterizedString
 
+  """EXPERIMENTAL: The Payment Types to add to the Schema."""
+  payments: SchemaPaymentsInput
+
   """Any scenes associated with this Schema."""
   scenes: [SceneInput!]
 }
@@ -4303,11 +4316,123 @@ input SchemaMatchInput {
   version: Int
 }
 
+"""
+EXPERIMENTAL: The Ledger Entries a Payment Type posts as a payment moves
+through its lifecycle, keyed by lifecycle transition.
+"""
+input SchemaPaymentAccountingInput {
+  """Posted when the payment enters processing. Optional."""
+  needs_confirmation_to_processing: SchemaPaymentEntryInput
+
+  """Posted when the payment settles. Every Payment Type must define it."""
+  processing_to_settled: SchemaPaymentEntryInput!
+}
+
+"""
+EXPERIMENTAL: The Ledger Entry a Payment Type posts on a payment lifecycle event.
+"""
+input SchemaPaymentEntryInput {
+  """Human-readable description of the payment entry."""
+  description: ParameterizedString
+
+  """The Ledger Lines in the payment entry."""
+  lines: [SchemaPaymentLineInput!]!
+}
+
+"""The status of a Payment Type."""
+enum SchemaPaymentEntryStatus {
+  """The Payment Type is active."""
+  active
+}
+
 """EXPERIMENTAL: Marks a Ledger Account as a Payment Account."""
 input SchemaPaymentInput {
   penguin: Boolean!
 }
 
+"""EXPERIMENTAL: A Ledger Line in a payment entry."""
+input SchemaPaymentLineInput {
+  """
+  The Ledger Account this line will be posted to.
+  It supports parameters in its attributes via handlebars syntax.
+  """
+  account: SchemaLedgerAccountMatchInput!
+
+  """
+  The amount of the line. It supports parameters via the handlebars syntax and addition (+) and subtraction (-).
+  """
+  amount: ParameterizedString!
+
+  """
+  The currency of the line. This is required if the Ledger Account has currencyMode multi.
+  It supports parameters in its attributes via handlebars syntax.
+  """
+  currency: SchemaCurrencyMatchInput
+
+  """Human-readable description of the line."""
+  description: ParameterizedString
+
+  """The key for the line. Keys must be unique within a payment entry."""
+  key: SafeString!
+
+  """
+  Marks this as a system-owned line. Fragment fills the amounts of system
+  lines when the payment entry is posted.
+  """
+  system: SchemaSystemLineKind
+}
+
+"""EXPERIMENTAL: The payment a Payment Type creates."""
+input SchemaPaymentTypeDetailsInput {
+  """
+  The amount requested for the payment, as a parameterized expression filled
+  from createPayment parameters.
+  """
+  amount: ParameterizedString!
+
+  """The direction the payment moves money."""
+  direction: SchemaPaymentTypeDirection!
+}
+
+"""The direction a Payment Type moves money."""
+enum SchemaPaymentTypeDirection {
+  """Money moves into the Payment Account."""
+  payin
+
+  """Money moves out of the Payment Account."""
+  payout
+}
+
+"""
+EXPERIMENTAL: A Payment Type in a Schema. All Payment Types defined in a
+Schema must have a unique `type` and `typeVersion` pair.
+"""
+input SchemaPaymentTypeInput {
+  """The Ledger Entries posted as the payment moves through its lifecycle."""
+  accounting: SchemaPaymentAccountingInput!
+
+  """The payment this Payment Type creates."""
+  payment: SchemaPaymentTypeDetailsInput!
+
+  """The status of this Payment Type."""
+  status: SchemaPaymentEntryStatus!
+
+  """
+  The type of this Payment Type. This is a stable, unique identifier for it.
+  Uniqueness is enforced at the Schema level.
+  """
+  type: SafeString!
+
+  """The version of the Payment Type."""
+  typeVersion: Int!
+}
+
+"""EXPERIMENTAL: The Payment Types in your Schema."""
+input SchemaPaymentsInput {
+  """A list of Payment Type definitions."""
+  types: [SchemaPaymentTypeInput!]!
+}
+
 """
 Configuration for repeated expansion of a line or condition. The key names a client-supplied
 array parameter whose elements each generate one copy of the line or condition at runtime.
@@ -4319,6 +4444,22 @@ input SchemaRepeatedConfigInput {
   key: SafeString!
 }
 
+"""
+Identifies a system-owned line in a payment entry. The amounts of system
+lines are filled by Fragment when the payment entry is posted.
+"""
+enum SchemaSystemLineKind {
+  """
+  The line carrying the Fragment fee amount, posted to the Payment Account.
+  """
+  payment_fee_line
+
+  """
+  The line carrying the settled payment amount, posted to the Payment Account.
+  """
+  payment_settlement_line
+}
+
 """
 Matches a transaction at an external system.
 This is used to specify the transaction being reconciled into a Linked Ledger Account
@@ -4669,6 +4810,11 @@ input UpdateLedgerEntryInput {
   """The list of Groups to add to this Ledger Entry."""
   groups: [LedgerEntryGroupInput!]
 
+  """
+  The list of Ledger Line updates to apply to Ledger Lines on this Ledger Entry.
+  """
+  ledgerLines: [UpdateLedgerLineInput!]
+
   """The list of Tags to add and/or update on this Ledger Entry."""
   tags: [LedgerEntryTagInput!]
 
@@ -4688,6 +4834,19 @@ input UpdateLedgerInput {
   name: String
 }
 
+input UpdateLedgerLineInput {
+  """
+  The Ledger Line that is being updated. It must belong to the Ledger Entry being updated.
+  """
+  ledgerLine: LedgerLineMatchInput!
+
+  """The list of Tags to add and/or update on this Ledger Line."""
+  tags: [LedgerLineTagInput!]
+
+  """The list of Tags to remove from this Ledger Line."""
+  tagsToRemove: [LedgerLineTagInput!]
+}
+
 union UpdateLedgerResponse = BadRequestError | InternalError | UpdateLedgerResult
 
 type UpdateLedgerResult {