# Google reCAPTCHA

**Canonical:** https://apis.io/providers/google-recaptcha/  
**APIs profiled:** 3

Google reCAPTCHA is a security service that protects websites and applications from spam and abuse by verifying that interactions are from real humans rather than bots, offering Enterprise and standard APIs for site verification and risk assessment.

## Kin Score — 41.6 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 41.6).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 65.0 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 26.3 |
| Developer Ergonomics | 40.5 |
| Commercial Clarity | 26.3 |
| Access Clarity | 26.3 |

## Agent readiness — 29.1 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| 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 (3)

- **reCAPTCHA Site Verify API** — The reCAPTCHA Site Verify API is the standard verification endpoint for reCAPTCHA v2 and v3 tokens. After a user completes a reCAPTCHA challenge on the frontend, the backend sen...
- **Google reCAPTCHA Assessments API** — Create and annotate risk assessments
- **Google reCAPTCHA Keys API** — Manage reCAPTCHA site keys

## Agentic access (1)

- **Google Recaptcha Agentic Access** — 6 operations · 4 acting

## Security (3)

- **Google Recaptcha Authentication** — oauth2 · 1 scheme
- **Google Recaptcha Domain Security** — TLSv1.3 · HSTS · DMARC
- **Google Recaptcha Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Google Recaptcha Plans Pricing**

## Tags

Abuse Prevention, Bot Detection, CAPTCHA, Fraud Prevention, Google Cloud, Security

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