Oneflow Parties API

Counterparty companies or individuals on a contract.

Business capability
Contract Management BC-150.10

Operations 3

POST /contracts/{contract_id}/parties Add a party to a contract #
PUT /contracts/{contract_id}/parties/{party_id} Update a party #
DELETE /contracts/{contract_id}/parties/{party_id} Delete a party #

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/oneflow-parties-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 form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

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

OpenAPI Specification

oneflow-parties-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Oneflow Public Parties API
  description: The Oneflow Public API is a REST API for the Oneflow contract lifecycle management and e-signature platform.
  version: '1.0'
  contact:
    name: Oneflow
    url: https://developer.oneflow.com
  termsOfService: https://oneflow.com/terms-of-service/
servers:
- url: https://api.oneflow.com/v1
  description: Oneflow Public API (production)
security:
- apiToken: []
  userEmail: []
tags:
- name: Parties
  description: Counterparty companies or individuals on a contract.
paths:
  /contracts/{contract_id}/parties:
    parameters:
    - $ref: '#/components/parameters/contractId'
    post:
      operationId: createParty
      tags:
      - Parties
      summary: Add a party to a contract
      description: Adds a counterparty (company or individual) to a draft contract (modeled).
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Party'
      responses:
        '200':
          description: The created party.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Party'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /contracts/{contract_id}/parties/{party_id}:
    parameters:
    - $ref: '#/components/parameters/contractId'
    - $ref: '#/components/parameters/partyId'
    put:
      operationId: updateParty
      tags:
      - Parties
      summary: Update a party
      description: Updates a party on a draft contract (modeled).
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Party'
      responses:
        '200':
          description: The updated party.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Party'
        '401':
          $ref: '#/components/responses/Unauthorized'
    delete:
      operationId: deleteParty
      tags:
      - Parties
      summary: Delete a party
      description: Removes a party from a draft contract (modeled).
      responses:
        '204':
          description: The party was removed.
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  schemas:
    Participant:
      type: object
      properties:
        id:
          type: integer
        name:
          type: string
        email:
          type: string
          format: email
        phone_number:
          type: string
        signatory:
          type: boolean
        delivery_channel:
          type: string
        _permissions:
          type: object
    Party:
      type: object
      properties:
        id:
          type: integer
        name:
          type: string
        country_code:
          type: string
        identification_number:
          type: string
        type:
          type: string
          description: Party type (e.g. company or individual).
        participants:
          type: array
          items:
            $ref: '#/components/schemas/Participant'
    Error:
      type: object
      properties:
        status_code:
          type: integer
        parameter_errors:
          type: object
        errors:
          type: array
          items:
            type: object
  parameters:
    partyId:
      name: party_id
      in: path
      required: true
      schema:
        type: integer
      description: The ID of the party.
    contractId:
      name: contract_id
      in: path
      required: true
      schema:
        type: integer
      description: The ID of the contract.
  responses:
    BadRequest:
      description: The request was malformed or invalid.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Missing or invalid API token / user email.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    apiToken:
      type: apiKey
      in: header
      name: x-oneflow-api-token
      description: Account API token generated in the Oneflow Marketplace.
    userEmail:
      type: apiKey
      in: header
      name: x-oneflow-user-email
      description: Email of the acting Oneflow user, used for permission-scoped authorization. Optional on some endpoints; omitting it runs the request as an anonymous admin user.