# Telnyx Verify API

**Canonical:** https://apis.io/providers/telnyx-verify/  
**Website:** https://telnyx.com/products/verify-api  
**APIs profiled:** 3

Telnyx Verify API is a phone-number verification and two-factor authentication (2FA / OTP) product, paired with Telnyx Number Lookup for number intelligence (carrier, line type, caller name / CNAM, and portability). Verify sends a one-time passcode over SMS, voice call, flash call, or WhatsApp and checks the code the user enters - by verification ID or by phone number - with reusable per-channel Verify Profiles and message templates, plus verification webhooks and built-in anti-fraud controls against SMS pumping and brute-force attacks. Number Lookup returns carrier and caller data for an E.164 number for routing, validation, lead enrichment, and fraud workflows. Both run on the Telnyx API v2 (https://api.telnyx.com/v2) with Bearer API-key auth. This is a product-specific treatment of the parent Telnyx cloud-communications (CPaaS) platform, whose full voice / messaging / numbers / fax / wireless surface is documented in the `telnyx` catalog entry.

## Kin Score — 37.1 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 37.1).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 59.8 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 21.4 |
| Commercial Clarity | 39.5 |
| Access Clarity | 39.5 |

Regulatory layer — **Telecommunications**: 16.7 (matched via tags).

## 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

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

## APIs (3)

- **Telnyx Verify API Number Lookup API** — Carrier, caller-name (CNAM), and portability intelligence for a phone number.
- **Telnyx Verify API Verify API** — Trigger and check OTP / 2FA verifications over SMS, call, flash call, and WhatsApp.
- **Telnyx Verify API Verify Profiles API** — Reusable per-channel verification configuration and message templates.

## Agentic access (1)

- **Telnyx Verify Agentic Access** — 17 operations · 11 acting

## Security (2)

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

## Plans (1)

- **Telnyx Verify Plans Pricing**

## Tags

Number Verification, Phone Verification, OTP, 2FA, Lookup, Verify, Number Lookup, CNAM, Identity, Anti-Fraud

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