GoNitro

Nitro Software (GoNitro) is a document productivity company providing PDF editing, electronic signatures, redaction, and intelligent document automation for enterprises, small businesses, and professionals. Nitro exposes two public REST APIs on api.gonitro.dev: the Nitro PDF Services API (convert, transform, extract, and generate PDFs — conversions, compression, merge/split, OCR, redaction, PII detection, table and form extraction, and archival PDF/A) and the Nitro Sign API (enterprise eSignature envelope, document, participant, and field workflows with sealed documents and audit trails). Both use machine-to-machine OAuth 2.0 client-credentials, short-lived JWT bearer tokens, RFC 9457 problem+json errors, and asynchronous job processing. Nitro is ISO 27001, SOC 2, and HIPAA compliant and an accredited eIDAS Qualified Trust Service Provider.

GoNitro publishes 8 APIs on the APIs.io network, including Authentication API, Conversions API, Extractions API, and 5 more. Tagged areas include Company, Documents, PDF, eSignature, and Electronic Signatures.

The GoNitro catalog on APIs.io includes 1 event-driven AsyncAPI specification.

GoNitro’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, pricing, signup flow, and 28 more developer resources.

🌐 Visit website 📡 Source on GitHub

60.0/100 strong ▬ flat Agent 75/100 agent native Full breakdown ↓
scored 2026-07-27 · rubric v0.5

AccessSelf serve

8 APIs 1 MCP Servers

CompanyDocumentsPDFeSignatureElectronic SignaturesDocument AutomationDocument ConversionData ExtractionRedactionOCRProductivityCompliance

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 60.0/100 · strong

Contract Quality 16.7 / 25

Developer Ergonomics 14.3 / 20

Commercial Clarity 12.1 / 20

Operational Transparency 6.8 / 13

Governance 0.0 / 12

Discoverability 10.0 / 10

Agent readiness — 75/100 · agent native

Machine-Readable Contract 18 / 18

Agentic Access Contract 15 / 15

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 6 / 6

Agent Skills 5 / 5

Well-Known Catalog 4 / 4

Consent & Bot Identity 0 / 3

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/gonitro: 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 8

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

GoNitro Authentication API

The Authentication API from GoNitro — 1 operation(s) for authentication.

GoNitro Conversions API

The Conversions API from GoNitro — 1 operation(s) for conversions.

GoNitro Extractions API

The Extractions API from GoNitro — 1 operation(s) for extractions.

GoNitro Generations API

The Generations API from GoNitro — 1 operation(s) for generations.

GoNitro Jobs API

The Jobs API from GoNitro — 2 operation(s) for jobs.

GoNitro Platform API

The Platform API from GoNitro — 6 operation(s) for platform.

GoNitro Sign API

The Sign API from GoNitro — 22 operation(s) for sign.

GoNitro Transformations API

The Transformations API from GoNitro — 1 operation(s) for transformations.

Scroll for all 8

Arazzo Workflows 2

Multi-step API workflows described with the Arazzo specification.

_Index

ARAZZO

Create and send a Nitro Sign envelope

Authenticate, create an envelope, add a document, participant, and signature field, then send it for signing.

ARAZZO

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

SignUp

SignUp

Documentation 3

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

AsyncAPI

AsyncAPI

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

MCPServer

LLMsTxt

AgentSkill

AgenticAccess

WellKnown

Design & Contract 8

Pagination, idempotency, versioning, errors, and events

Lifecycle

Webhooks

Conventions

ErrorCatalog

ErrorCodes

Conformance

DataModel

Arazzo

Scroll for all 8

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Postman

Postman

Packages

Packages

Access & Security 4

Authentication, authorization, and security posture

Compliance

TrustCenter

DomainSecurity

Authentication

Operate 4

Status, limits, changes, and where to get help

Support

StatusPage

ChangeLog

Deprecation

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: gonitro
name: GoNitro
description: 'Nitro Software (GoNitro) is a document productivity company providing PDF editing, electronic signatures, redaction,
  and intelligent document automation for enterprises, small businesses, and professionals. Nitro exposes two public REST
  APIs on api.gonitro.dev: the Nitro PDF Services API (convert, transform, extract, and generate PDFs — conversions, compression,
  merge/split, OCR, redaction, PII detection, table and form extraction, and archival PDF/A) and the Nitro Sign API (enterprise
  eSignature envelope, document, participant, and field workflows with sealed documents and audit trails). Both use machine-to-machine
  OAuth 2.0 client-credentials, short-lived JWT bearer tokens, RFC 9457 problem+json errors, and asynchronous job processing.
  Nitro is ISO 27001, SOC 2, and HIPAA compliant and an accredited eIDAS Qualified Trust Service Provider.'
url: https://raw.githubusercontent.com/api-evangelist/gonitro/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- 500-global
x-tier: enriched
x-tier-reason: portfolio-lead
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
image: https://www.gonitro.com/hubfs/EN%20-%20Featured%20Images%20-%20Priority%20Pages%20-%20Home%20-%201200x628.png
tags:
- Company
- Documents
- PDF
- eSignature
- Electronic Signatures
- Document Automation
- Document Conversion
- Data Extraction
- Redaction
- OCR
- Productivity
- Compliance
apis:
- aid: gonitro:gonitro-authentication-api
  name: GoNitro Authentication API
  description: The Authentication API from GoNitro — 1 operation(s) for authentication.
  humanURL: https://developers.gonitro.com/docs/api-reference/sign/create-envelope
  baseURL: https://api.gonitro.dev
  tags:
  - Authentication
  properties:
  - type: OpenAPI
    url: openapi/gonitro-authentication-api-openapi.yml
- aid: gonitro:gonitro-conversions-api
  name: GoNitro Conversions API
  description: The Conversions API from GoNitro — 1 operation(s) for conversions.
  humanURL: https://developers.gonitro.com/docs/api-reference/sign/create-envelope
  baseURL: https://api.gonitro.dev
  tags:
  - Conversions
  properties:
  - type: OpenAPI
    url: openapi/gonitro-conversions-api-openapi.yml
- aid: gonitro:gonitro-extractions-api
  name: GoNitro Extractions API
  description: The Extractions API from GoNitro — 1 operation(s) for extractions.
  humanURL: https://developers.gonitro.com/docs/api-reference/sign/create-envelope
  baseURL: https://api.gonitro.dev
  tags:
  - Extractions
  properties:
  - type: OpenAPI
    url: openapi/gonitro-extractions-api-openapi.yml
- aid: gonitro:gonitro-generations-api
  name: GoNitro Generations API
  description: The Generations API from GoNitro — 1 operation(s) for generations.
  humanURL: https://developers.gonitro.com/docs/api-reference/sign/create-envelope
  baseURL: https://api.gonitro.dev
  tags:
  - Generations
  properties:
  - type: OpenAPI
    url: openapi/gonitro-generations-api-openapi.yml
- aid: gonitro:gonitro-jobs-api
  name: GoNitro Jobs API
  description: The Jobs API from GoNitro — 2 operation(s) for jobs.
  humanURL: https://developers.gonitro.com/docs/api-reference/sign/create-envelope
  baseURL: https://api.gonitro.dev
  tags:
  - Jobs
  properties:
  - type: OpenAPI
    url: openapi/gonitro-jobs-api-openapi.yml
- aid: gonitro:gonitro-platform-api
  name: GoNitro Platform API
  description: The Platform API from GoNitro — 6 operation(s) for platform.
  humanURL: https://developers.gonitro.com/docs/api-reference/sign/create-envelope
  baseURL: https://api.gonitro.dev
  tags:
  - Platform
  properties:
  - type: OpenAPI
    url: openapi/gonitro-platform-api-openapi.yml
- aid: gonitro:gonitro-sign-api
  name: GoNitro Sign API
  description: The Sign API from GoNitro — 22 operation(s) for sign.
  humanURL: https://developers.gonitro.com/docs/api-reference/sign/create-envelope
  baseURL: https://api.gonitro.dev
  tags:
  - Sign
  properties:
  - type: OpenAPI
    url: openapi/gonitro-sign-api-openapi.yml
- aid: gonitro:gonitro-transformations-api
  name: GoNitro Transformations API
  description: The Transformations API from GoNitro — 1 operation(s) for transformations.
  humanURL: https://developers.gonitro.com/docs/api-reference/sign/create-envelope
  baseURL: https://api.gonitro.dev
  tags:
  - Transformations
  properties:
  - type: OpenAPI
    url: openapi/gonitro-transformations-api-openapi.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.gonitro.com
- type: DeveloperPortal
  url: https://developers.gonitro.com
- type: Documentation
  url: https://developers.gonitro.com/docs
- type: APIReference
  url: https://developers.gonitro.com/docs/api-reference/changelog
- type: GettingStarted
  url: https://developers.gonitro.com/docs/getting-started/basic-setup
- type: Support
  url: https://www.gonitro.com/support
- type: Blog
  url: https://www.gonitro.com/blog
- type: GitHubOrganization
  url: https://github.com/Nitro
- type: Pricing
  url: https://www.gonitro.com/pricing
- type: SignUp
  url: https://developers.gonitro.com/docs/authentication/credentials
- type: TermsOfService
  url: https://www.gonitro.com/legal/terms-of-service
- type: PrivacyPolicy
  url: https://www.gonitro.com/legal/privacy-policy
- type: Postman
  url: https://raw.githubusercontent.com/Nitro/nitro-platform-sample-code/main/postman/Nitro%20Automation%20Platform%20APIs.postman_collection.json
- type: StatusPage
  url: https://status.gonitro.com
- type: ChangeLog
  url: changelog/gonitro-changelog.yml
- type: Deprecation
  url: lifecycle/gonitro-lifecycle.yml
- type: Lifecycle
  url: lifecycle/gonitro-lifecycle.yml
- type: Webhooks
  url: asyncapi/gonitro-sign-asyncapi.yml
- type: AsyncAPI
  url: asyncapi/gonitro-sign-asyncapi.yml
- type: Compliance
  url: https://www.gonitro.com/trust-center/compliance
- type: TrustCenter
  url: security/gonitro-trust-center.yml
- type: DomainSecurity
  url: security/gonitro-domain-security.yml
- type: Authentication
  url: authentication/gonitro-authentication.yml
- type: Conventions
  url: conventions/gonitro-conventions.yml
- type: ErrorCatalog
  url: errors/gonitro-problem-types.yml
- type: ErrorCodes
  url: errors/gonitro-error-codes.yml
- type: Conformance
  url: conformance/gonitro-conformance.yml
- type: DataModel
  url: data-model/gonitro-data-model.yml
- type: MCPServer
  url: mcp/gonitro-mcp.yml
- type: LLMsTxt
  url: llms/gonitro-llms.txt
- type: AgentSkill
  url: skills/_index.yml
- type: AgenticAccess
  url: agentic-access/gonitro-agentic-access.yml
- type: Packages
  url: packages/gonitro-packages.yml
- type: WellKnown
  url: well-known/gonitro-well-known.yml
- type: Arazzo
  name: Create and send a Nitro Sign envelope
  url: arazzo/gonitro-create-and-send-envelope.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence