Signeasy

Signeasy is an eSignature and intelligent contract management platform used by tens of thousands of businesses to sign, send, and manage documents. The Signeasy API (v3) is a RESTful eSignature API that lets developers send documents for signature (envelopes), embed signing and sending flows directly inside their own web and mobile apps via iframes, manage reusable templates with merge fields, upload original documents, and receive real-time signature lifecycle notifications through webhooks. All endpoints are served from https://api.signeasy.com/v3 and authenticated with OAuth 2.0 Bearer access tokens (sandbox and live).

Signeasy publishes 5 APIs on the APIs.io network, including Embedded API, Envelopes API, Originals API, and 2 more. Tagged areas include eSignature, Electronic Signature, Documents, Contract Management, and Embedded Signing.

Signeasy’s developer surface includes authentication, documentation, engineering blog, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub
41.1/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemiumSelf serve⚡ Free to try
5 APIs
eSignatureElectronic SignatureDocumentsContract ManagementEmbedded SigningTemplatesWebhooks

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 41.1/100 · thin
Contract Quality 15.1 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 9.5 / 20
Operational Transparency 4.8 / 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/signeasy: 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 5

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

Signeasy Embedded API

Embedded signing and sending flows for iframes and pop-ups.

Signeasy Envelopes API

Signature requests composed of originals and templates.

Signeasy Originals API

Master documents used to build signature requests.

Signeasy Templates API

Reusable documents with predefined roles and merge fields.

Signeasy Users API

Authenticated account details and envelope credits.

Open Collections 1

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

Signeasy API v3

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Signeasy Plans Pricing

4 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Signeasy Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Signeasy Finops

FINOPS

Security Posture 3

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

Signeasy Authentication

http · 1 scheme

SECURITY

Signeasy Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Signeasy Trust Center

SOC 2, HIPAA, GDPR

SECURITY

Agentic Access 1

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

Signeasy Agentic Access

12 operations · 9 acting

12 operations · 9 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

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 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 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: signeasy
url: https://raw.githubusercontent.com/api-evangelist/signeasy/refs/heads/main/apis.yml
name: Signeasy
kind: company
description: Signeasy is an eSignature and intelligent contract management platform used by tens of thousands of businesses
  to sign, send, and manage documents. The Signeasy API (v3) is a RESTful eSignature API that lets developers send documents
  for signature (envelopes), embed signing and sending flows directly inside their own web and mobile apps via iframes, manage
  reusable templates with merge fields, upload original documents, and receive real-time signature lifecycle notifications
  through webhooks. All endpoints are served from https://api.signeasy.com/v3 and authenticated with OAuth 2.0 Bearer access
  tokens (sandbox and live).
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · 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/signeasy.png
tags:
- eSignature
- Electronic Signature
- Documents
- Contract Management
- Embedded Signing
- Templates
- Webhooks
created: '2026-07-03'
modified: '2026-07-03'
specificationVersion: '0.19'
apis:
- aid: signeasy:signeasy-embedded-api
  name: Signeasy Embedded API
  description: Embedded signing and sending flows for iframes and pop-ups.
  humanURL: https://docs.signeasy.com/reference/create-an-envelope-rs-originals-templates
  baseURL: https://api.signeasy.com/v3
  tags:
  - Embedded
  properties:
  - type: OpenAPI
    url: openapi/signeasy-embedded-api-openapi.yml
  - type: Documentation
    url: https://docs.signeasy.com/docs/envelopes
  - type: APIReference
    url: https://docs.signeasy.com/reference/create-an-envelope-rs-originals-templates
  - type: PostmanCollection
    url: collections/signeasy.postman_collection.json
  - type: OpenCollection
    url: collections/signeasy.opencollection.json
  - type: Documentation
    url: https://docs.signeasy.com/docs/original-documents-imports
  - type: APIReference
    url: https://docs.signeasy.com/reference/create-an-original-document
  - type: Documentation
    url: https://docs.signeasy.com/docs/templates
  - type: APIReference
    url: https://docs.signeasy.com/reference/fetch-embedded-template-create-url
  - type: Documentation
    url: https://docs.signeasy.com/docs/embedded-signing
  - type: APIReference
    url: https://docs.signeasy.com/reference/fetch-rs-sending-url
  - type: Documentation
    url: https://docs.signeasy.com/docs/webhooks
  - type: APIReference
    url: https://docs.signeasy.com/docs/webhooks
  - type: APIReference
    url: https://docs.signeasy.com/reference/fetch-user-details
- aid: signeasy:signeasy-envelopes-api
  name: Signeasy Envelopes API
  description: Signature requests composed of originals and templates.
  humanURL: https://docs.signeasy.com/reference/create-an-envelope-rs-originals-templates
  baseURL: https://api.signeasy.com/v3
  tags:
  - Envelopes
  properties:
  - type: OpenAPI
    url: openapi/signeasy-envelopes-api-openapi.yml
  - type: Documentation
    url: https://docs.signeasy.com/docs/envelopes
  - type: APIReference
    url: https://docs.signeasy.com/reference/create-an-envelope-rs-originals-templates
  - type: PostmanCollection
    url: collections/signeasy.postman_collection.json
  - type: OpenCollection
    url: collections/signeasy.opencollection.json
  - type: Documentation
    url: https://docs.signeasy.com/docs/original-documents-imports
  - type: APIReference
    url: https://docs.signeasy.com/reference/create-an-original-document
  - type: Documentation
    url: https://docs.signeasy.com/docs/templates
  - type: APIReference
    url: https://docs.signeasy.com/reference/fetch-embedded-template-create-url
  - type: Documentation
    url: https://docs.signeasy.com/docs/embedded-signing
  - type: APIReference
    url: https://docs.signeasy.com/reference/fetch-rs-sending-url
  - type: Documentation
    url: https://docs.signeasy.com/docs/webhooks
  - type: APIReference
    url: https://docs.signeasy.com/docs/webhooks
  - type: APIReference
    url: https://docs.signeasy.com/reference/fetch-user-details
- aid: signeasy:signeasy-originals-api
  name: Signeasy Originals API
  description: Master documents used to build signature requests.
  humanURL: https://docs.signeasy.com/reference/create-an-envelope-rs-originals-templates
  baseURL: https://api.signeasy.com/v3
  tags:
  - Originals
  properties:
  - type: OpenAPI
    url: openapi/signeasy-originals-api-openapi.yml
  - type: Documentation
    url: https://docs.signeasy.com/docs/envelopes
  - type: APIReference
    url: https://docs.signeasy.com/reference/create-an-envelope-rs-originals-templates
  - type: PostmanCollection
    url: collections/signeasy.postman_collection.json
  - type: OpenCollection
    url: collections/signeasy.opencollection.json
  - type: Documentation
    url: https://docs.signeasy.com/docs/original-documents-imports
  - type: APIReference
    url: https://docs.signeasy.com/reference/create-an-original-document
  - type: Documentation
    url: https://docs.signeasy.com/docs/templates
  - type: APIReference
    url: https://docs.signeasy.com/reference/fetch-embedded-template-create-url
  - type: Documentation
    url: https://docs.signeasy.com/docs/embedded-signing
  - type: APIReference
    url: https://docs.signeasy.com/reference/fetch-rs-sending-url
  - type: Documentation
    url: https://docs.signeasy.com/docs/webhooks
  - type: APIReference
    url: https://docs.signeasy.com/docs/webhooks
  - type: APIReference
    url: https://docs.signeasy.com/reference/fetch-user-details
- aid: signeasy:signeasy-templates-api
  name: Signeasy Templates API
  description: Reusable documents with predefined roles and merge fields.
  humanURL: https://docs.signeasy.com/reference/create-an-envelope-rs-originals-templates
  baseURL: https://api.signeasy.com/v3
  tags:
  - Templates
  properties:
  - type: OpenAPI
    url: openapi/signeasy-templates-api-openapi.yml
  - type: Documentation
    url: https://docs.signeasy.com/docs/envelopes
  - type: APIReference
    url: https://docs.signeasy.com/reference/create-an-envelope-rs-originals-templates
  - type: PostmanCollection
    url: collections/signeasy.postman_collection.json
  - type: OpenCollection
    url: collections/signeasy.opencollection.json
  - type: Documentation
    url: https://docs.signeasy.com/docs/original-documents-imports
  - type: APIReference
    url: https://docs.signeasy.com/reference/create-an-original-document
  - type: Documentation
    url: https://docs.signeasy.com/docs/templates
  - type: APIReference
    url: https://docs.signeasy.com/reference/fetch-embedded-template-create-url
  - type: Documentation
    url: https://docs.signeasy.com/docs/embedded-signing
  - type: APIReference
    url: https://docs.signeasy.com/reference/fetch-rs-sending-url
  - type: Documentation
    url: https://docs.signeasy.com/docs/webhooks
  - type: APIReference
    url: https://docs.signeasy.com/docs/webhooks
  - type: APIReference
    url: https://docs.signeasy.com/reference/fetch-user-details
- aid: signeasy:signeasy-users-api
  name: Signeasy Users API
  description: Authenticated account details and envelope credits.
  humanURL: https://docs.signeasy.com/reference/create-an-envelope-rs-originals-templates
  baseURL: https://api.signeasy.com/v3
  tags:
  - Users
  properties:
  - type: OpenAPI
    url: openapi/signeasy-users-api-openapi.yml
  - type: Documentation
    url: https://docs.signeasy.com/docs/envelopes
  - type: APIReference
    url: https://docs.signeasy.com/reference/create-an-envelope-rs-originals-templates
  - type: PostmanCollection
    url: collections/signeasy.postman_collection.json
  - type: OpenCollection
    url: collections/signeasy.opencollection.json
  - type: Documentation
    url: https://docs.signeasy.com/docs/original-documents-imports
  - type: APIReference
    url: https://docs.signeasy.com/reference/create-an-original-document
  - type: Documentation
    url: https://docs.signeasy.com/docs/templates
  - type: APIReference
    url: https://docs.signeasy.com/reference/fetch-embedded-template-create-url
  - type: Documentation
    url: https://docs.signeasy.com/docs/embedded-signing
  - type: APIReference
    url: https://docs.signeasy.com/reference/fetch-rs-sending-url
  - type: Documentation
    url: https://docs.signeasy.com/docs/webhooks
  - type: APIReference
    url: https://docs.signeasy.com/docs/webhooks
  - type: APIReference
    url: https://docs.signeasy.com/reference/fetch-user-details
common:
- type: AgenticAccess
  url: agentic-access/signeasy-agentic-access.yml
- type: TrustCenter
  url: security/signeasy-trust-center.yml
- type: DomainSecurity
  url: security/signeasy-domain-security.yml
- type: Authentication
  url: authentication/signeasy-authentication.yml
- type: GitHubOrganization
  url: https://github.com/signeasy
- type: LinkedIn
  url: https://www.linkedin.com/company/signeasy
- type: Website
  url: https://signeasy.com/
- type: Documentation
  url: https://docs.signeasy.com/
- type: Plans
  url: plans/signeasy-plans-pricing.yml
- type: RateLimits
  url: rate-limits/signeasy-rate-limits.yml
- type: FinOps
  url: finops/signeasy-finops.yml
- url: https://signeasy.com/blog/
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com