Oneflow

Oneflow is a contract lifecycle management and e-signature platform that turns static documents into smart, data-rich digital contracts - covering creation from templates, negotiation, e-signing, and post-sign lifecycle management. The Oneflow Public API is a REST API at https://api.oneflow.com/v1 authenticated with an account API token (x-oneflow-api-token) plus an acting-user email header (x-oneflow-user-email) for permission checks. It lets teams programmatically create contracts from templates, add parties and participants, fill data fields and products, publish contracts for signing, download signed files, and subscribe to contract lifecycle events via webhooks. API access and webhooks are available on the Business and Enterprise plans.

Oneflow publishes 11 APIs on the APIs.io network, including Comments API, Contract Files API, Contracts API, and 8 more. Tagged areas include Contract Management, Contract Lifecycle Management, E-Signature, Digital Contracts, and Document Automation.

Oneflow’s developer surface includes authentication, documentation, and 8 more developer resources.

🌐 Visit website 📡 Source on GitHub
39.2/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemiumSelf serveFree trial⚡ Free to try
11 APIs
Contract ManagementContract Lifecycle ManagementE-SignatureDigital ContractsDocument AutomationCLM

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 39.2/100 · thin
Contract Quality 15.9 / 25
Developer Ergonomics 3.9 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.1 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/oneflow: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 11

Individual APIs this provider publishes, each with its own machine-readable definition.

Oneflow Comments API

Inline collaboration comments on a contract.

Oneflow Contract Files API

Download the files (PDF / signed documents) attached to a contract.

Oneflow Contracts API

Create, retrieve, update, publish, copy, and delete contracts.

Oneflow Data Fields API

Custom / merge fields on contracts and template types.

Oneflow Participants API

Signatories and viewers belonging to a party.

Oneflow Parties API

Counterparty companies or individuals on a contract.

Oneflow Ping API

Health check and token validation.

Oneflow Templates API

Templates and template types used to create contracts.

Oneflow Users API

Users in an account.

Oneflow Webhooks API

Subscriptions delivering contract lifecycle events to a callback URL.

Oneflow Workspaces API

Organizational containers that scope templates and contracts.

Scroll for all 11

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Oneflow Public API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Oneflow Plans Pricing

4 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Oneflow Rate Limits

4 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Oneflow Finops

FINOPS

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Oneflow Authentication

apiKey · 2 schemes

SECURITY

Oneflow Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Oneflow Vulnerability Disclosure

security.txt · contact published

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Oneflow Agentic Access

28 operations · 14 acting

28 operations · 14 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Access & Security 3

Authentication, authorization, and security posture

VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans
Plans
 FinOps
FinOps

Company 2

The organization behind the API

LinkedIn
LinkedIn
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: oneflow
url: https://raw.githubusercontent.com/api-evangelist/oneflow/refs/heads/main/apis.yml
name: Oneflow
kind: company
description: Oneflow is a contract lifecycle management and e-signature platform that turns static documents into smart, data-rich
  digital contracts - covering creation from templates, negotiation, e-signing, and post-sign lifecycle management. The Oneflow
  Public API is a REST API at https://api.oneflow.com/v1 authenticated with an account API token (x-oneflow-api-token) plus
  an acting-user email header (x-oneflow-user-email) for permission checks. It lets teams programmatically create contracts
  from templates, add parties and participants, fill data fields and products, publish contracts for signing, download signed
  files, and subscribe to contract lifecycle events via webhooks. API access and webhooks are available on the Business and
  Enterprise plans.
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: true
  try_now: true
  public: false
  label: Freemium (free trial) · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/oneflow.png
tags:
- Contract Management
- Contract Lifecycle Management
- E-Signature
- Digital Contracts
- Document Automation
- CLM
created: '2026-07-03'
modified: '2026-07-03'
specificationVersion: '0.19'
apis:
- aid: oneflow:oneflow-comments-api
  name: Oneflow Comments API
  description: Inline collaboration comments on a contract.
  humanURL: https://developer.oneflow.com/docs/create-a-basic-contract
  baseURL: https://api.oneflow.com/v1
  tags:
  - Comments
  properties:
  - type: OpenAPI
    url: openapi/oneflow-comments-api-openapi.yml
  - type: Documentation
    url: https://developer.oneflow.com/docs/getting-started
  - type: APIReference
    url: https://developer.oneflow.com/docs/create-a-basic-contract
  - type: PostmanCollection
    url: collections/oneflow.postman_collection.json
  - type: OpenCollection
    url: collections/oneflow.opencollection.json
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-templates
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-workspaces
  - type: Documentation
    url: https://developer.oneflow.com/docs/data-field.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/participant.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/party.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/webhook.md
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-users-in-an-account
  - type: Documentation
    url: https://developer.oneflow.com/docs/user.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/contract.md
- aid: oneflow:oneflow-contract-files-api
  name: Oneflow Contract Files API
  description: Download the files (PDF / signed documents) attached to a contract.
  humanURL: https://developer.oneflow.com/docs/create-a-basic-contract
  baseURL: https://api.oneflow.com/v1
  tags:
  - Contract Files
  properties:
  - type: OpenAPI
    url: openapi/oneflow-contract-files-api-openapi.yml
  - type: Documentation
    url: https://developer.oneflow.com/docs/getting-started
  - type: APIReference
    url: https://developer.oneflow.com/docs/create-a-basic-contract
  - type: PostmanCollection
    url: collections/oneflow.postman_collection.json
  - type: OpenCollection
    url: collections/oneflow.opencollection.json
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-templates
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-workspaces
  - type: Documentation
    url: https://developer.oneflow.com/docs/data-field.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/participant.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/party.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/webhook.md
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-users-in-an-account
  - type: Documentation
    url: https://developer.oneflow.com/docs/user.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/contract.md
- aid: oneflow:oneflow-contracts-api
  name: Oneflow Contracts API
  description: Create, retrieve, update, publish, copy, and delete contracts.
  humanURL: https://developer.oneflow.com/docs/create-a-basic-contract
  baseURL: https://api.oneflow.com/v1
  tags:
  - Contracts
  properties:
  - type: OpenAPI
    url: openapi/oneflow-contracts-api-openapi.yml
  - type: Documentation
    url: https://developer.oneflow.com/docs/getting-started
  - type: APIReference
    url: https://developer.oneflow.com/docs/create-a-basic-contract
  - type: PostmanCollection
    url: collections/oneflow.postman_collection.json
  - type: OpenCollection
    url: collections/oneflow.opencollection.json
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-templates
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-workspaces
  - type: Documentation
    url: https://developer.oneflow.com/docs/data-field.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/participant.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/party.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/webhook.md
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-users-in-an-account
  - type: Documentation
    url: https://developer.oneflow.com/docs/user.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/contract.md
- aid: oneflow:oneflow-data-fields-api
  name: Oneflow Data Fields API
  description: Custom / merge fields on contracts and template types.
  humanURL: https://developer.oneflow.com/docs/create-a-basic-contract
  baseURL: https://api.oneflow.com/v1
  tags:
  - Data Fields
  properties:
  - type: OpenAPI
    url: openapi/oneflow-data-fields-api-openapi.yml
  - type: Documentation
    url: https://developer.oneflow.com/docs/getting-started
  - type: APIReference
    url: https://developer.oneflow.com/docs/create-a-basic-contract
  - type: PostmanCollection
    url: collections/oneflow.postman_collection.json
  - type: OpenCollection
    url: collections/oneflow.opencollection.json
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-templates
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-workspaces
  - type: Documentation
    url: https://developer.oneflow.com/docs/data-field.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/participant.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/party.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/webhook.md
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-users-in-an-account
  - type: Documentation
    url: https://developer.oneflow.com/docs/user.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/contract.md
- aid: oneflow:oneflow-participants-api
  name: Oneflow Participants API
  description: Signatories and viewers belonging to a party.
  humanURL: https://developer.oneflow.com/docs/create-a-basic-contract
  baseURL: https://api.oneflow.com/v1
  tags:
  - Participants
  properties:
  - type: OpenAPI
    url: openapi/oneflow-participants-api-openapi.yml
  - type: Documentation
    url: https://developer.oneflow.com/docs/getting-started
  - type: APIReference
    url: https://developer.oneflow.com/docs/create-a-basic-contract
  - type: PostmanCollection
    url: collections/oneflow.postman_collection.json
  - type: OpenCollection
    url: collections/oneflow.opencollection.json
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-templates
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-workspaces
  - type: Documentation
    url: https://developer.oneflow.com/docs/data-field.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/participant.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/party.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/webhook.md
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-users-in-an-account
  - type: Documentation
    url: https://developer.oneflow.com/docs/user.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/contract.md
- aid: oneflow:oneflow-parties-api
  name: Oneflow Parties API
  description: Counterparty companies or individuals on a contract.
  humanURL: https://developer.oneflow.com/docs/create-a-basic-contract
  baseURL: https://api.oneflow.com/v1
  tags:
  - Parties
  properties:
  - type: OpenAPI
    url: openapi/oneflow-parties-api-openapi.yml
  - type: Documentation
    url: https://developer.oneflow.com/docs/getting-started
  - type: APIReference
    url: https://developer.oneflow.com/docs/create-a-basic-contract
  - type: PostmanCollection
    url: collections/oneflow.postman_collection.json
  - type: OpenCollection
    url: collections/oneflow.opencollection.json
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-templates
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-workspaces
  - type: Documentation
    url: https://developer.oneflow.com/docs/data-field.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/participant.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/party.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/webhook.md
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-users-in-an-account
  - type: Documentation
    url: https://developer.oneflow.com/docs/user.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/contract.md
- aid: oneflow:oneflow-ping-api
  name: Oneflow Ping API
  description: Health check and token validation.
  humanURL: https://developer.oneflow.com/docs/create-a-basic-contract
  baseURL: https://api.oneflow.com/v1
  tags:
  - Ping
  properties:
  - type: OpenAPI
    url: openapi/oneflow-ping-api-openapi.yml
  - type: Documentation
    url: https://developer.oneflow.com/docs/getting-started
  - type: APIReference
    url: https://developer.oneflow.com/docs/create-a-basic-contract
  - type: PostmanCollection
    url: collections/oneflow.postman_collection.json
  - type: OpenCollection
    url: collections/oneflow.opencollection.json
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-templates
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-workspaces
  - type: Documentation
    url: https://developer.oneflow.com/docs/data-field.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/participant.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/party.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/webhook.md
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-users-in-an-account
  - type: Documentation
    url: https://developer.oneflow.com/docs/user.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/contract.md
- aid: oneflow:oneflow-templates-api
  name: Oneflow Templates API
  description: Templates and template types used to create contracts.
  humanURL: https://developer.oneflow.com/docs/create-a-basic-contract
  baseURL: https://api.oneflow.com/v1
  tags:
  - Templates
  properties:
  - type: OpenAPI
    url: openapi/oneflow-templates-api-openapi.yml
  - type: Documentation
    url: https://developer.oneflow.com/docs/getting-started
  - type: APIReference
    url: https://developer.oneflow.com/docs/create-a-basic-contract
  - type: PostmanCollection
    url: collections/oneflow.postman_collection.json
  - type: OpenCollection
    url: collections/oneflow.opencollection.json
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-templates
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-workspaces
  - type: Documentation
    url: https://developer.oneflow.com/docs/data-field.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/participant.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/party.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/webhook.md
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-users-in-an-account
  - type: Documentation
    url: https://developer.oneflow.com/docs/user.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/contract.md
- aid: oneflow:oneflow-users-api
  name: Oneflow Users API
  description: Users in an account.
  humanURL: https://developer.oneflow.com/docs/create-a-basic-contract
  baseURL: https://api.oneflow.com/v1
  tags:
  - Users
  properties:
  - type: OpenAPI
    url: openapi/oneflow-users-api-openapi.yml
  - type: Documentation
    url: https://developer.oneflow.com/docs/getting-started
  - type: APIReference
    url: https://developer.oneflow.com/docs/create-a-basic-contract
  - type: PostmanCollection
    url: collections/oneflow.postman_collection.json
  - type: OpenCollection
    url: collections/oneflow.opencollection.json
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-templates
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-workspaces
  - type: Documentation
    url: https://developer.oneflow.com/docs/data-field.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/participant.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/party.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/webhook.md
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-users-in-an-account
  - type: Documentation
    url: https://developer.oneflow.com/docs/user.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/contract.md
- aid: oneflow:oneflow-webhooks-api
  name: Oneflow Webhooks API
  description: Subscriptions delivering contract lifecycle events to a callback URL.
  humanURL: https://developer.oneflow.com/docs/create-a-basic-contract
  baseURL: https://api.oneflow.com/v1
  tags:
  - Webhooks
  properties:
  - type: OpenAPI
    url: openapi/oneflow-webhooks-api-openapi.yml
  - type: Documentation
    url: https://developer.oneflow.com/docs/getting-started
  - type: APIReference
    url: https://developer.oneflow.com/docs/create-a-basic-contract
  - type: PostmanCollection
    url: collections/oneflow.postman_collection.json
  - type: OpenCollection
    url: collections/oneflow.opencollection.json
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-templates
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-workspaces
  - type: Documentation
    url: https://developer.oneflow.com/docs/data-field.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/participant.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/party.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/webhook.md
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-users-in-an-account
  - type: Documentation
    url: https://developer.oneflow.com/docs/user.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/contract.md
- aid: oneflow:oneflow-workspaces-api
  name: Oneflow Workspaces API
  description: Organizational containers that scope templates and contracts.
  humanURL: https://developer.oneflow.com/docs/create-a-basic-contract
  baseURL: https://api.oneflow.com/v1
  tags:
  - Workspaces
  properties:
  - type: OpenAPI
    url: openapi/oneflow-workspaces-api-openapi.yml
  - type: Documentation
    url: https://developer.oneflow.com/docs/getting-started
  - type: APIReference
    url: https://developer.oneflow.com/docs/create-a-basic-contract
  - type: PostmanCollection
    url: collections/oneflow.postman_collection.json
  - type: OpenCollection
    url: collections/oneflow.opencollection.json
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-templates
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-workspaces
  - type: Documentation
    url: https://developer.oneflow.com/docs/data-field.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/participant.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/party.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/webhook.md
  - type: APIReference
    url: https://developer.oneflow.com/reference/get-users-in-an-account
  - type: Documentation
    url: https://developer.oneflow.com/docs/user.md
  - type: Documentation
    url: https://developer.oneflow.com/docs/contract.md
common:
- type: AgenticAccess
  url: agentic-access/oneflow-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/oneflow-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/oneflow-domain-security.yml
- type: Authentication
  url: authentication/oneflow-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/oneflowcom
- type: Website
  url: https://oneflow.com
- type: Documentation
  url: https://developer.oneflow.com
- type: Plans
  url: plans/oneflow-plans-pricing.yml
- type: RateLimits
  url: rate-limits/oneflow-rate-limits.yml
- type: FinOps
  url: finops/oneflow-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com