Sejda

Sejda provides online and desktop tools for editing and manipulating PDF documents - merge, split, compress, convert, edit, watermark, OCR, and fill forms. Its only documented hosted REST API is the HTML-to-PDF conversion API at api.sejda.com; the broader merge/split/OCR task set is delivered through the web and desktop apps and through the open-source Sejda SDK and sejda-console (Java, AGPLv3), not a hosted task API.

Sejda publishes 1 API on the APIs.io network: HTML to PDF API. Tagged areas include PDF, Document Conversion, HTML to PDF, PDF Editing, and OCR.

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

🌐 Visit website 📡 Source on GitHub

38.2/100 thin ▬ flat Agent 25/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessFreemiumSelf serve⚡ Free to try

4 APIs

PDF Document Conversion HTML to PDFPDF EditingOCR

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 38.2/100 · thin

Contract Quality 14.6 / 25

Developer Ergonomics 4.8 / 20

Access Clarity 7.9 / 20

Operational Transparency 4.4 / 13

Contract Governance 0.0 / 12

Discoverability 6.5 / 10

Agent readiness — 25/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 7 / 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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

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/sejda: 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 4

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

Rate Limits 1

Documented rate limits and quota policies.

Sejda Rate Limits

3 limits

RATE LIMITS

FinOps 1

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

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

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 3

The organization behind the API

LinkedIn

Website

Website

Blog

Blog

Source (apis.yml)

aid: sejda
url: https://raw.githubusercontent.com/api-evangelist/sejda/refs/heads/main/apis.yml
name: Sejda
kind: company
description: Sejda provides online and desktop tools for editing and manipulating PDF documents - merge, split, compress,
  convert, edit, watermark, OCR, and fill forms. Its only documented hosted REST API is the HTML-to-PDF conversion API at
  api.sejda.com; the broader merge/split/OCR task set is delivered through the web and desktop apps and through the open-source
  Sejda SDK and sejda-console (Java, AGPLv3), not a hosted task API.
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/sejda.png
tags:
- PDF
- Document Conversion
- HTML to PDF
- PDF Editing
- OCR
created: '2026-06-25'
modified: '2026-06-25'
specificationVersion: '0.23'
apis:
- aid: sejda:sejda-pdf-tools
  name: Sejda PDF Tools (Web and Desktop)
  tags:
  - PDF Editing
  - Merge
  - Split
  - Compress
  - Watermark
  - OCR
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.sejda.com/
  properties:
  - url: https://www.sejda.com/
    type: Documentation
  - url: https://www.sejda.com/help
    type: Documentation
  description: Sejda's full PDF task catalog - merge, split, compress, convert (Office/HTML to PDF, PDF to images), edit,
    watermark, OCR, and fill forms - delivered as online (browser) and desktop applications. These tasks are NOT exposed as
    a hosted REST API; only HTML-to-PDF has a documented API.
- aid: sejda:sejda-sdk
  name: Sejda SDK
  tags:
  - SDK
  - Java
  - Open-Source
  - PDF Manipulation
  tags_raw:
  - SDK
  - Java
  - Open Source
  - PDF Manipulation
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://sejda.org/
  properties:
  - url: https://sejda.org/
    type: Documentation
  - url: https://github.com/torakiki/sejda
    type: SourceCode
  - url: https://github.com/torakiki/sejda/wiki
    type: Documentation
  description: Open-source (AGPLv3) Java library for PDF manipulation - merge, split, rotate, encrypt, watermark, and more
    - built on SAMBox (a maintained PDFBox fork). This is an embeddable code library, not a hosted network API; a commercial
    Pro license is available for non-AGPL use.
- aid: sejda:sejda-console
  name: Sejda Console
  tags:
  - CLI
  - Java
  - Open-Source
  - PDF Manipulation
  tags_raw:
  - CLI
  - Java
  - Open Source
  - PDF Manipulation
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://sejda.org/download
  properties:
  - url: https://sejda.org/download
    type: Documentation
  - url: https://github.com/torakiki/sejda/wiki
    type: Documentation
  - url: https://github.com/torakiki/sejda
    type: SourceCode
  description: Command-line shell over the Sejda SDK for running PDF tasks (merge, split, etc.) from a terminal or scripts.
    Requires a Java runtime. A commercial sejda-console-pro build exists. This is a local CLI tool, not a hosted API.
- aid: sejda:sejda-html-to-pdf-api
  name: Sejda HTML to PDF API
  description: The HTML to PDF API from Sejda — 1 operation(s) for html to pdf.
  humanURL: https://www.sejda.com/developers
  baseURL: https://api.sejda.com/v2
  tags:
  - HTML to PDF
  properties:
  - type: OpenAPI
    url: openapi/sejda-html-to-pdf-api-openapi.yml
  - type: Documentation
    url: https://www.sejda.com/developers
  - type: Documentation
    url: https://www.sejda.com/html-pdf-api
  - type: PostmanCollection
    url: collections/sejda.postman_collection.json
  - type: OpenCollection
    url: collections/sejda.opencollection.json
common:
- type: AgenticAccess
  url: agentic-access/sejda-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/sejda-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/sejda-domain-security.yml
- type: Authentication
  url: authentication/sejda-authentication.yml
- type: GitHubOrganization
  url: https://github.com/sejda-pdf
- type: LinkedIn
  url: https://www.linkedin.com/company/sejda
- type: Website
  url: https://www.sejda.com
- type: Documentation
  url: https://www.sejda.com/developers
- type: Plans
  url: plans/sejda-plans-pricing.yml
- type: RateLimits
  url: rate-limits/sejda-rate-limits.yml
- type: FinOps
  url: finops/sejda-finops.yml
- type: Blog
  url: https://www.sejda.com/blog/rss
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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Sejda

Kin Score

APIs 4

Sejda PDF Tools (Web and Desktop)

Sejda SDK

Sejda Console

Sejda HTML to PDF API

Open Collections 3

API Collection

Sejda HTML to PDF API

Sejda HTML to PDF API

Pricing Plans 1

Sejda Plans Pricing

Rate Limits 1

Sejda Rate Limits

FinOps 1

Sejda Finops

Security Posture 3

Sejda Authentication

Sejda Domain Security

Sejda Vulnerability Disclosure

Agentic Access 1

Sejda Agentic Access

Resources

Documentation 1

Agent Surfaces 1

Build 1

Access & Security 3

Operate 1

Commercial 2

Company 3

Source (apis.yml)

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