Nutrient.io website screenshot

Nutrient.io

Nutrient (formerly PSPDFKit) provides a powerful and secure document processing platform via Document Web Services (DWS). Fast and easy integration enables instant generation, conversion, modification, and digital signing of PDF documents, plus accessibility tagging and AI-powered document workflows.

4 APIs 0 Features
DocumentsPDFDocument ProcessingeSignatureAccessibilityOCR

APIs

Nutrient Viewer API

Deliver rich document interactions directly in the browser including PDF rendering, annotation, form filling, and signature collection.

Nutrient Processor API

Headless cloud document workflow API for generation, conversion, extraction, OCR, and automation across PDFs and Office documents.

Nutrient Accessibility API

Automate PDF accessibility through cloud-based auto-tagging and validation to support compliance with WCAG and PDF/UA standards.

Nutrient AI API

AI-powered document workflows including extraction, classification, and analysis built on top of the Nutrient document platform.

Pricing Plans

Rate Limits

Nutrient Io Rate Limits

5 limits

RATE LIMITS

FinOps

Resources

👥
GitHubOrganization
GitHubOrganization
🔗
LinkedIn
LinkedIn
🔗
Website
Website
🔗
Documentation
Documentation
🔗
Reference
Reference
🚀
GettingStarted
GettingStarted
💰
Pricing
Pricing
📰
Blog
Blog
📝
Signup
Signup
🔗
Login
Login
💬
Support
Support
🟢
StatusPage
StatusPage
📜
TermsOfService
TermsOfService
📜
PrivacyPolicy
PrivacyPolicy
🔗
LlmsText
LlmsText

Sources

apis.yml Raw ↑
aid: nutrient-io
name: Nutrient.io
description: Nutrient (formerly PSPDFKit) provides a powerful and secure document processing platform via Document Web Services
  (DWS). Fast and easy integration enables instant generation, conversion, modification, and digital signing of PDF documents,
  plus accessibility tagging and AI-powered document workflows.
type: Index
position: Consumer
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Documents
- PDF
- Document Processing
- eSignature
- Accessibility
- OCR
created: '2025-02-08'
modified: '2026-04-28'
url: https://raw.githubusercontent.com/api-evangelist/nutrient-io/refs/heads/main/apis.yml
specificationVersion: '0.19'
apis:
- aid: nutrient-io:viewer-api
  name: Nutrient Viewer API
  description: Deliver rich document interactions directly in the browser including PDF rendering, annotation, form filling,
    and signature collection.
  humanURL: https://www.nutrient.io/api/viewer-api/
  tags:
  - Viewer
  - Annotations
  - Forms
  - Signatures
  properties:
  - type: Documentation
    url: https://www.nutrient.io/api/viewer-api/
  - type: Reference
    url: https://www.nutrient.io/api/reference/public/
  - type: GettingStarted
    url: https://www.nutrient.io/guides/dws-viewer-api/
- aid: nutrient-io:processor-api
  name: Nutrient Processor API
  description: Headless cloud document workflow API for generation, conversion, extraction, OCR, and automation across PDFs
    and Office documents.
  humanURL: https://www.nutrient.io/api/processor-api/
  tags:
  - Processing
  - Conversion
  - OCR
  - Extraction
  properties:
  - type: Documentation
    url: https://www.nutrient.io/api/processor-api/
  - type: Reference
    url: https://www.nutrient.io/api/reference/public/
  - type: GettingStarted
    url: https://www.nutrient.io/guides/dws-processor/getting-started/
- aid: nutrient-io:accessibility-api
  name: Nutrient Accessibility API
  description: Automate PDF accessibility through cloud-based auto-tagging and validation to support compliance with WCAG
    and PDF/UA standards.
  humanURL: https://www.nutrient.io/api/accessibility-api/
  tags:
  - Accessibility
  - PDF/UA
  - WCAG
  - Tagging
  properties:
  - type: Documentation
    url: https://www.nutrient.io/api/accessibility-api/
  - type: Reference
    url: https://www.nutrient.io/api/reference/public/
- aid: nutrient-io:ai-api
  name: Nutrient AI API
  description: AI-powered document workflows including extraction, classification, and analysis built on top of the Nutrient
    document platform.
  humanURL: https://www.nutrient.io/api/ai/
  tags:
  - AI
  - Extraction
  - Classification
  properties:
  - type: Documentation
    url: https://www.nutrient.io/api/ai/
common:
- type: GitHubOrganization
  url: https://github.com/pspdfkit
- type: LinkedIn
  url: https://www.linkedin.com/company/nutrient-sdk
- type: Website
  url: https://www.nutrient.io
- type: Documentation
  url: https://www.nutrient.io/api/
- type: Reference
  url: https://www.nutrient.io/api/reference/public/
- type: GettingStarted
  url: https://www.nutrient.io/guides/dws-processor/getting-started/
- type: Pricing
  url: https://www.nutrient.io/pricing/
- type: Blog
  url: https://www.nutrient.io/blog/
- type: Signup
  url: https://dashboard.nutrient.io/sign_up
- type: Login
  url: https://dashboard.nutrient.io/sign_in
- type: Support
  url: https://www.nutrient.io/support/
- type: StatusPage
  url: https://status.nutrient.io/
- type: TermsOfService
  url: https://www.nutrient.io/legal/terms-of-service/
- type: PrivacyPolicy
  url: https://www.nutrient.io/legal/privacy/
- type: Integrations
  url: https://www.nutrient.io/partners/
- type: LlmsText
  url: https://www.nutrient.io/llms.txt
integrations:
- name: Nutrient
- name: Cloud
- name: Workflow
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com