Ledger

Ledger 4337 API

The 4337 API from Ledger — 5 operation(s) for 4337.

GitHub OpenAPI

Operations 7

GET /tx-service/eth/api/v1/safe-operations/{safe_operation_hash}/ #
GET /tx-service/eth/api/v1/safe-operations/{safe_operation_hash}/confirmations/ #
POST /tx-service/eth/api/v1/safe-operations/{safe_operation_hash}/confirmations/ #
GET /tx-service/eth/api/v1/safes/{address}/safe-operations/ #
POST /tx-service/eth/api/v1/safes/{address}/safe-operations/ #
GET /tx-service/eth/api/v1/safes/{address}/user-operations/ #
GET /tx-service/eth/api/v1/user-operations/{user_operation_hash}/ #

Documentation

📖
APIReference
https://developers.ledger.com/docs/ledger-live/exchange/swap/redoc-api
📖
Documentation
https://developers.ledger.com/docs/ledger-live/exchange
📖
APIReference
https://help.enterprise.ledger.com/api-documentation/reference/api-reference
📖
Documentation
https://help.enterprise.ledger.com/api-documentation
📖
GettingStarted
https://help.enterprise.ledger.com/api-documentation/getting-started/getting-started
📖
Authentication
https://help.enterprise.ledger.com/api-documentation/getting-started/authentication
📖
RateLimits
https://help.enterprise.ledger.com/api-documentation/getting-started/rate-limits
📖
APIReference
https://help.multisig.ledger.com/reference
📖
Documentation
https://help.multisig.ledger.com/ledger-enterprise-multisig-api-overview

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/ledger/refs/heads/main/openapi/ledger-4337-api-openapi.yml

Other Resources

🔗
Webhooks
https://raw.githubusercontent.com/api-evangelist/ledger/refs/heads/main/asyncapi/ledger-exchange-webhooks.yml
🔗
LLMsTxt
https://help.enterprise.ledger.com/llms.txt
🔗
LLMsTxt
https://help.multisig.ledger.com/llms.txt
🔗
CLI
https://raw.githubusercontent.com/api-evangelist/ledger/refs/heads/main/cli/ledger-cli.yml

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/ledger-4337-api"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

ledger-4337-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Safe Transaction Service 4337 API
  version: 5.33.1
  description: API to keep track of transactions sent via Safe smart contracts
  x-gitbook-description-document:
    object: document
    data:
      schemaVersion: 8
    nodes:
    - object: block
      type: paragraph
      isVoid: false
      data: {}
      nodes:
      - object: text
        leaves:
        - object: leaf
          text: API to keep track of transactions sent via Safe smart contracts
          marks: []
  x-gitbook-description-html: <p>API to keep track of transactions sent via Safe smart contracts</p>
tags:
- name: '4337'
paths:
  /tx-service/eth/api/v1/safe-operations/{safe_operation_hash}/:
    get:
      operationId: safe_operations_retrieve
      description: Returns a SafeOperation given its Safe operation hash
      parameters:
      - in: path
        name: safe_operation_hash
        schema:
          type: string
        required: true
      tags:
      - '4337'
      security:
      - cookieAuth: []
      - tokenAuth: []
      - {}
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SafeOperationWithUserOperationResponse'
          description: ''
  /tx-service/eth/api/v1/safe-operations/{safe_operation_hash}/confirmations/:
    get:
      operationId: safe_operations_confirmations_list
      description: Get the list of confirmations for a multisig transaction
      parameters:
      - in: path
        name: safe_operation_hash
        schema:
          type: string
        required: true
      - name: limit
        required: false
        in: query
        description: Number of results to return per page.
        schema:
          type: integer
      - name: offset
        required: false
        in: query
        description: The initial index from which to return the results.
        schema:
          type: integer
      tags:
      - '4337'
      security:
      - cookieAuth: []
      - tokenAuth: []
      - {}
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PaginatedSafeOperationConfirmationResponseList'
          description: ''
        '400':
          description: Invalid data
    post:
      operationId: safe_operations_confirmations_create
      description: 'Add a confirmation for a transaction. More than one signature can be used. This endpoint does not support

        the use of delegates to make a transaction trusted.'
      parameters:
      - in: path
        name: safe_operation_hash
        schema:
          type: string
        required: true
      tags:
      - '4337'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SafeOperationConfirmation'
        required: true
      security:
      - cookieAuth: []
      - tokenAuth: []
      - {}
      responses:
        '201':
          description: Created
        '400':
          description: Malformed data
        '422':
          description: Error processing data
  /tx-service/eth/api/v1/safes/{address}/safe-operations/:
    get:
      operationId: safes_safe_operations_list
      description: Returns the list of SafeOperations for a given Safe account
      parameters:
      - in: path
        name: address
        schema:
          type: string
        required: true
      - in: query
        name: modified__lt
        schema:
          type: string
          format: date-time
      - in: query
        name: modified__gt
        schema:
          type: string
          format: date-time
      - in: query
        name: modified__lte
        schema:
          type: string
          format: date-time
      - in: query
        name: modified__gte
        schema:
          type: string
          format: date-time
      - in: query
        name: valid_after__lt
        schema:
          type: string
          format: date-time
      - in: query
        name: valid_after__gt
        schema:
          type: string
          format: date-time
      - in: query
        name: valid_after__lte
        schema:
          type: string
          format: date-time
      - in: query
        name: valid_after__gte
        schema:
          type: string
          format: date-time
      - in: query
        name: valid_until__lt
        schema:
          type: string
          format: date-time
      - in: query
        name: valid_until__gt
        schema:
          type: string
          format: date-time
      - in: query
        name: valid_until__lte
        schema:
          type: string
          format: date-time
      - in: query
        name: valid_until__gte
        schema:
          type: string
          format: date-time
      - in: query
        name: module_address
        schema:
          type: string
      - in: query
        name: executed
        schema:
          type: boolean
      - in: query
        name: has_confirmations
        schema:
          type: boolean
      - in: query
        name: execution_date__gte
        schema:
          type: string
          format: date-time
      - in: query
        name: execution_date__lte
        schema:
          type: string
          format: date-time
      - in: query
        name: submission_date__gte
        schema:
          type: string
          format: date-time
      - in: query
        name: submission_date__lte
        schema:
          type: string
          format: date-time
      - in: query
        name: transaction_hash
        schema:
          type:
          - string
          - 'null'
          format: byte
      - name: ordering
        required: false
        in: query
        description: Which field to use when ordering the results.
        schema:
          type: string
      - name: limit
        required: false
        in: query
        description: Number of results to return per page.
        schema:
          type: integer
      - name: offset
        required: false
        in: query
        description: The initial index from which to return the results.
        schema:
          type: integer
      tags:
      - '4337'
      security:
      - cookieAuth: []
      - tokenAuth: []
      - {}
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PaginatedSafeOperationWithUserOperationResponseList'
          description: ''
    post:
      operationId: safes_safe_operations_create
      description: Adds a new SafeOperation for a given Safe account
      parameters:
      - in: path
        name: address
        schema:
          type: string
        required: true
      tags:
      - '4337'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SafeOperation'
        required: true
      security:
      - cookieAuth: []
      - tokenAuth: []
      - {}
      responses:
        '201':
          content:
            application/json:
              schema:
                type: object
                additionalProperties: {}
                description: Unspecified response body
          description: ''
  /tx-service/eth/api/v1/safes/{address}/user-operations/:
    get:
      operationId: safes_user_operations_list
      description: Returns the list of UserOperations for a given Safe account
      parameters:
      - in: path
        name: address
        schema:
          type: string
        required: true
      - name: ordering
        required: false
        in: query
        description: Which field to use when ordering the results.
        schema:
          type: string
      - name: limit
        required: false
        in: query
        description: Number of results to return per page.
        schema:
          type: integer
      - name: offset
        required: false
        in: query
        description: The initial index from which to return the results.
        schema:
          type: integer
      tags:
      - '4337'
      security:
      - cookieAuth: []
      - tokenAuth: []
      - {}
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PaginatedUserOperationWithSafeOperationResponseList'
          description: ''
  /tx-service/eth/api/v1/user-operations/{user_operation_hash}/:
    get:
      operationId: user_operations_retrieve
      description: Returns a UserOperation given its user operation hash
      parameters:
      - in: path
        name: user_operation_hash
        schema:
          type: string
        required: true
      tags:
      - '4337'
      security:
      - cookieAuth: []
      - tokenAuth: []
      - {}
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UserOperationWithSafeOperationResponse'
          description: ''
components:
  schemas:
    SafeOperation:
      type: object
      description: 'Mixin class to validate SafeOperation signatures. `_get_owners` can be overridden to define

        the valid owners to sign'
      properties:
        nonce:
          type: integer
          minimum: 0
        initCode:
          type:
          - string
          - 'null'
        callData:
          type:
          - string
          - 'null'
        callGasLimit:
          type: integer
          minimum: 0
        verificationGasLimit:
          type: integer
          minimum: 0
        preVerificationGas:
          type: integer
          minimum: 0
        maxFeePerGas:
          type: integer
          minimum: 0
        maxPriorityFeePerGas:
          type: integer
          minimum: 0
        paymasterAndData:
          type:
          - string
          - 'null'
        signature:
          type: string
        entryPoint:
          type: string
        validAfter:
          type:
          - string
          - 'null'
          format: date-time
        validUntil:
          type:
          - string
          - 'null'
          format: date-time
        moduleAddress:
          type: string
      required:
      - callData
      - callGasLimit
      - entryPoint
      - initCode
      - maxFeePerGas
      - maxPriorityFeePerGas
      - moduleAddress
      - nonce
      - paymasterAndData
      - preVerificationGas
      - signature
      - validAfter
      - validUntil
      - verificationGasLimit
      x-gitbook-description-html: '<p>Mixin class to validate SafeOperation signatures. <code>_get_owners</code> can be overridden to define

        the valid owners to sign</p>'
    UserOperationResponse:
      type: object
      properties:
        ethereumTxHash:
          type: string
        sender:
          type: string
        userOperationHash:
          type: string
        nonce:
          type: string
        initCode:
          type:
          - string
          - 'null'
        callData:
          type:
          - string
          - 'null'
        callGasLimit:
          type: string
        verificationGasLimit:
          type: string
        preVerificationGas:
          type: string
        maxFeePerGas:
          type: string
        maxPriorityFeePerGas:
          type: string
        paymaster:
          type:
          - string
          - 'null'
        paymasterData:
          type:
          - string
          - 'null'
        signature:
          type: string
        entryPoint:
          type: string
      required:
      - callData
      - callGasLimit
      - entryPoint
      - ethereumTxHash
      - initCode
      - maxFeePerGas
      - maxPriorityFeePerGas
      - nonce
      - paymaster
      - paymasterData
      - preVerificationGas
      - sender
      - signature
      - userOperationHash
      - verificationGasLimit
    UserOperationWithSafeOperationResponse:
      type: object
      properties:
        ethereumTxHash:
          type: string
        sender:
          type: string
        userOperationHash:
          type: string
        nonce:
          type: string
        initCode:
          type:
          - string
          - 'null'
        callData:
          type:
          - string
          - 'null'
        callGasLimit:
          type: string
        verificationGasLimit:
          type: string
        preVerificationGas:
          type: string
        maxFeePerGas:
          type: string
        maxPriorityFeePerGas:
          type: string
        paymaster:
          type:
          - string
          - 'null'
        paymasterData:
          type:
          - string
          - 'null'
        signature:
          type: string
        entryPoint:
          type: string
        safeOperation:
          oneOf:
          - $ref: '#/components/schemas/SafeOperationResponse'
          - type: 'null'
          readOnly: true
      required:
      - callData
      - callGasLimit
      - entryPoint
      - ethereumTxHash
      - initCode
      - maxFeePerGas
      - maxPriorityFeePerGas
      - nonce
      - paymaster
      - paymasterData
      - preVerificationGas
      - safeOperation
      - sender
      - signature
      - userOperationHash
      - verificationGasLimit
    SafeOperationWithUserOperationResponse:
      type: object
      properties:
        created:
          type: string
          format: date-time
        modified:
          type: string
          format: date-time
        safeOperationHash:
          type: string
        validAfter:
          type: string
          format: date-time
        validUntil:
          type: string
          format: date-time
        moduleAddress:
          type: string
        confirmations:
          type: object
          additionalProperties: {}
          description: 'Filters confirmations queryset


            :param obj: SafeOperation instance

            :return: Serialized queryset'
          readOnly: true
          x-gitbook-description-html: '<p>Filters confirmations queryset</p>

            <p>:param obj: SafeOperation instance

            :return: Serialized queryset</p>'
        preparedSignature:
          type: string
          readOnly: true
        userOperation:
          allOf:
          - $ref: '#/components/schemas/UserOperationResponse'
          readOnly: true
      required:
      - confirmations
      - created
      - modified
      - moduleAddress
      - preparedSignature
      - safeOperationHash
      - userOperation
      - validAfter
      - validUntil
    PaginatedUserOperationWithSafeOperationResponseList:
      type: object
      required:
      - count
      - results
      properties:
        count:
          type: integer
          example: 123
        next:
          type: string
          nullable: true
          format: uri
          example: http://api.example.org/accounts/?offset=400&limit=100
        previous:
          type: string
          nullable: true
          format: uri
          example: http://api.example.org/accounts/?offset=200&limit=100
        results:
          type: array
          items:
            $ref: '#/components/schemas/UserOperationWithSafeOperationResponse'
    PaginatedSafeOperationConfirmationResponseList:
      type: object
      required:
      - count
      - results
      properties:
        count:
          type: integer
          example: 123
        next:
          type: string
          nullable: true
          format: uri
          example: http://api.example.org/accounts/?offset=400&limit=100
        previous:
          type: string
          nullable: true
          format: uri
          example: http://api.example.org/accounts/?offset=200&limit=100
        results:
          type: array
          items:
            $ref: '#/components/schemas/SafeOperationConfirmationResponse'
    SafeOperationConfirmationResponse:
      type: object
      properties:
        created:
          type: string
          format: date-time
        modified:
          type: string
          format: date-time
        owner:
          type: string
        signature:
          type: string
        signatureType:
          type: string
          readOnly: true
      required:
      - created
      - modified
      - owner
      - signature
      - signatureType
    SafeOperationResponse:
      type: object
      properties:
        created:
          type: string
          format: date-time
        modified:
          type: string
          format: date-time
        safeOperationHash:
          type: string
        validAfter:
          type: string
          format: date-time
        validUntil:
          type: string
          format: date-time
        moduleAddress:
          type: string
        confirmations:
          type: object
          additionalProperties: {}
          description: 'Filters confirmations queryset


            :param obj: SafeOperation instance

            :return: Serialized queryset'
          readOnly: true
          x-gitbook-description-html: '<p>Filters confirmations queryset</p>

            <p>:param obj: SafeOperation instance

            :return: Serialized queryset</p>'
        preparedSignature:
          type: string
          readOnly: true
      required:
      - confirmations
      - created
      - modified
      - moduleAddress
      - preparedSignature
      - safeOperationHash
      - validAfter
      - validUntil
    SafeOperationConfirmation:
      type: object
      description: Validate new confirmations for an existing `SafeOperation`
      properties:
        signature:
          type: string
      required:
      - signature
      x-gitbook-description-html: <p>Validate new confirmations for an existing <code>SafeOperation</code></p>
    PaginatedSafeOperationWithUserOperationResponseList:
      type: object
      required:
      - count
      - results
      properties:
        count:
          type: integer
          example: 123
        next:
          type: string
          nullable: true
          format: uri
          example: http://api.example.org/accounts/?offset=400&limit=100
        previous:
          type: string
          nullable: true
          format: uri
          example: http://api.example.org/accounts/?offset=200&limit=100
        results:
          type: array
          items:
            $ref: '#/components/schemas/SafeOperationWithUserOperationResponse'
  securitySchemes:
    cookieAuth:
      type: apiKey
      in: cookie
      name: sessionid
    tokenAuth:
      type: apiKey
      in: header
      name: Authorization
      description: Token-based authentication with required prefix "Token"
      x-gitbook-description-html: <p>Token-based authentication with required prefix "Token"</p>