Anvil

aid: anvil
name: Anvil
description: >-
  Anvil is a PDF infrastructure platform providing REST and GraphQL APIs for
  filling PDF templates with JSON data, generating PDFs from HTML or Markdown,
  collecting e-signatures (Etch), building web forms, and extracting data from
  documents via OCR and Document AI. Designed for developers embedding paperwork
  automation into applications across HR, insurance, financial services, and
  legal workflows.
type: Index
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
url: https://raw.githubusercontent.com/api-evangelist/anvil/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
tags:
  - PDF
  - PDF Filling
  - PDF Generation
  - E-Signatures
  - Document Automation
  - OCR
  - Document AI
  - GraphQL
  - REST
  - Workflows
  - Web Forms
  - Paperwork Automation
apis:
  - aid: anvil:pdf-filling-api
    name: Anvil PDF Filling API
    description: >-
      Fill existing PDF templates with JSON data. Send structured data to a
      PDF template and receive a filled PDF document. Supports text, checkboxes,
      signatures, and other form fields. Returns a binary PDF stream.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://www.useanvil.com/products/pdf-filling-api/
    baseURL: https://app.useanvil.com
    tags:
      - PDF
      - PDF Filling
      - REST
    properties:
      - type: Documentation
        url: https://www.useanvil.com/docs/api/fill-pdf/
      - type: OpenAPI
        url: openapi/anvil-pdf-filling-api-openapi.yml

  - aid: anvil:pdf-generation-api
    name: Anvil PDF Generation API
    description: >-
      Generate new PDFs dynamically from HTML/CSS, structured Markdown, or
      Anvil's JSON-based layout definition. POST your content to
      /api/v1/generate-pdf and receive a binary PDF stream in return.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://www.useanvil.com/docs/api/generate-pdf/
    baseURL: https://app.useanvil.com
    tags:
      - PDF
      - PDF Generation
      - HTML to PDF
      - REST
    properties:
      - type: Documentation
        url: https://www.useanvil.com/docs/api/generate-pdf/
      - type: OpenAPI
        url: openapi/anvil-pdf-generation-api-openapi.yml

  - aid: anvil:etch-esign-api
    name: Anvil Etch E-Sign API
    description: >-
      Embed white-labeled e-signature collection into applications. Create
      e-sign packets, route documents to multiple signers, and receive webhook
      notifications on completion. Supports interactive, progressive, and
      unordered signing flows (higher-tier plans).
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://www.useanvil.com/docs/api/e-signatures/
    baseURL: https://app.useanvil.com/graphql
    tags:
      - E-Signatures
      - GraphQL
      - Etch
    properties:
      - type: Documentation
        url: https://www.useanvil.com/docs/api/e-signatures/
      - type: GraphQLReference
        url: https://www.useanvil.com/docs/api/graphql/reference/

  - aid: anvil:graphql-api
    name: Anvil GraphQL API
    description: >-
      The primary query and mutation interface for Anvil. Covers e-sign packets,
      workflows, PDF operations, webforms, and document AI. The complete schema
      is downloadable via GET https://app.useanvil.com/graphql/sdl.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://www.useanvil.com/docs/api/graphql/
    baseURL: https://app.useanvil.com/graphql
    tags:
      - GraphQL
      - E-Signatures
      - PDF
      - Workflows
    properties:
      - type: Documentation
        url: https://www.useanvil.com/docs/api/graphql/
      - type: GraphQLReference
        url: https://www.useanvil.com/docs/api/graphql/reference/
      - type: GraphQLSchema
        url: https://app.useanvil.com/graphql/sdl

  - aid: anvil:document-ai-api
    name: Anvil Document AI & OCR API
    description: >-
      Extract structured data from uploaded PDF documents using AI-powered OCR,
      automatic field detection, box finding, and schema mapping. Accelerates
      workflow building by inferring field structure from existing documents.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://www.useanvil.com/docs/api/document-ai/
    baseURL: https://app.useanvil.com
    tags:
      - OCR
      - Document AI
      - Data Extraction
      - GraphQL
    properties:
      - type: Documentation
        url: https://www.useanvil.com/docs/api/document-ai/

  - aid: anvil:webhooks
    name: Anvil Webhooks
    description: >-
      Event-driven notifications for Anvil workflow events. Receive HTTP POST
      callbacks when e-sign packets are completed, web forms are submitted,
      workflow steps are finished, and more. Configurable per organization.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://www.useanvil.com/docs/api/webhooks/
    baseURL: https://app.useanvil.com
    tags:
      - Webhooks
      - Events
      - E-Signatures
      - Workflows
    properties:
      - type: Documentation
        url: https://www.useanvil.com/docs/api/webhooks/

common:
  - type: Website
    url: https://www.useanvil.com/
  - type: Documentation
    url: https://www.useanvil.com/docs/
  - type: GettingStarted
    url: https://www.useanvil.com/docs/api/getting-started/
  - type: GitHubOrg
    url: https://github.com/anvilco
  - type: Blog
    url: https://www.useanvil.com/blog/
  - type: EngineeringBlog
    url: https://www.useanvil.com/blog/engineering/
  - type: Pricing
    url: https://www.useanvil.com/pricing/
  - type: StatusPage
    url: https://status.useanvil.com/
  - type: LinkedIn
    url: https://www.linkedin.com/company/anvil-foundry
  - type: X
    url: https://x.com/useanvil
  - type: OpenSource
    url: https://www.useanvil.com/open-source/
  - type: Postman
    url: https://www.postman.com/anvilco
  - type: SDKNodeJS
    url: https://github.com/anvilco/node-anvil
  - type: SDKPython
    url: https://github.com/anvilco/python-anvil
  - type: SDKCSharp
    url: https://github.com/anvilco/dotnet-anvil
  - type: SDKReact
    url: https://github.com/anvilco/react-ui
  - type: GraphQLReference
    url: https://www.useanvil.com/docs/api/graphql/reference/
  - type: Plans
    url: plans/anvil-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/anvil-rate-limits.yml
  - type: FinOps
    url: finops/anvil-finops.yml

maintainers:
  - FN: Kin Lane
    email: [email protected]