# Prove

**Canonical:** https://apis.io/providers/prove/  
**Website:** https://www.prove.com  
**APIs profiled:** 7

Prove is a phone-centric digital identity verification and authentication platform. The Prove API (v3) uses the consumer's mobile phone number and cryptographic possession signals to power Pre-Fill identity prefill, passive Trust Score verification, Unified Authentication, and an Identity Manager - all behind an OAuth 2.0 secured REST interface at https://api.prove.com/v3.

## Kin Score — 34.5 / 100 (thin)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 34.5).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 56.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 14.3 |
| Commercial Clarity | 28.9 |
| Access Clarity | 28.9 |

## 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 (7)

- **Prove Auth API** — Phone-based authentication and device binding.
- **Prove Authentication API** — OAuth 2.0 token issuance.
- **Prove Domain API** — Cross-domain linking of identity scopes.
- **Prove Identity API** — Persistent identity lifecycle management.
- **Prove Identity Verification API** — Ordered Pre-Fill verification flow - start, validate, challenge, complete.
- **Prove Pre-Fill API** — Identity discovery and verified attribute retrieval.
- **Prove Trust Score API** — Unified Authentication possession and trust evaluation.

## Agentic access (1)

- **Prove Agentic Access** — 26 operations · 19 acting · 1 human-in-the-loop

## Security (2)

- **Prove Authentication** — http/oauth2 · 2 schemes
- **Prove Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Prove Plans Pricing**

## Tags

Identity Verification, Authentication, Phone Intelligence, KYC, Fraud Prevention

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