# Anvil

**Canonical:** https://apis.io/providers/anvil/  
**Website:** https://www.useanvil.com/  
**APIs profiled:** 6

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.

## Kin Score — 50.2 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 50.2).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 70.7 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 52.6 |
| Developer Ergonomics | 35.7 |
| Commercial Clarity | 50.0 |
| Access Clarity | 50.0 |

## Agent readiness — 44.9 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | verified |
| Rate Limit Signal | verified |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (6)

- **Anvil Etch E-Sign API** — Embed white-labeled e-signature collection into applications. Create e-sign packets, route documents to multiple signers, and receive webhook notifications on completion. Suppor...
- **Anvil GraphQL API** — 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 http...
- **Anvil Document AI & OCR API** — Extract structured data from uploaded PDF documents using AI-powered OCR, automatic field detection, box finding, and schema mapping. Accelerates workflow building by inferring ...
- **Anvil Webhooks** — 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 mo...
- **Anvil Fill API** — The Fill API from Anvil — 1 operation(s) for fill.
- **Anvil Generate Pdf API** — The Generate Pdf API from Anvil — 1 operation(s) for generate pdf.

## Agentic access (1)

- **Anvil Agentic Access** — 2 operations · 2 acting

## Security (2)

- **Anvil Authentication** — http · 1 scheme
- **Anvil Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Anvil Plans Pricing**

## Tags

PDF, PDF Filling, PDF Generation, E-Signatures, Document Automation, OCR, Document AI, GraphQL, REST, Workflows, Web Forms, Paperwork Automation

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/anvil/). Scores are computed from the provider's own public artifacts under a published rubric.