# messagebird

**Canonical:** https://apis.io/providers/messagebird/  
**APIs profiled:** 19

Build powerful apps using the fastest and most reliable cloud communications APIs.

## Kin Score — 33.1 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 33.1).

| Facet | Score |
|---|---|
| Discoverability | 57.4 |
| Contract Quality | 75.3 |
| Governance | 13.6 |
| Contract Governance | 13.6 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 11.9 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

## Agent readiness — 30.3 (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 | derived |
| 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 (19)

- **messagebird Available Numbers API** — Operations for searching available phone numbers for purchase.
- **messagebird Balance API** — Operations for retrieving account balance information.
- **messagebird Call Flows API** — Operations for managing call flows that define interactive voice response sequences.
- **messagebird Calls API** — Operations for creating, listing, and managing voice calls.
- **messagebird Contacts API** — Operations for managing individual contacts.
- **messagebird Conversations API** — Operations for listing and managing conversations across channels.
- **messagebird Groups API** — Operations for managing contact groups.
- **messagebird HLR API** — Operations for creating and viewing HLR network queries.
- **messagebird Legs API** — Operations for viewing and managing call legs. A leg represents a single voice connection within a call.
- **messagebird Lookup API** — Operations for looking up and validating phone numbers.
- **messagebird Messages API** — Operations for sending and retrieving messages within conversations.
- **messagebird Purchased Numbers API** — Operations for managing purchased phone numbers.
- **messagebird Recordings API** — Operations for managing call recordings.
- **messagebird Templates API** — Operations for managing message templates on supported platforms.
- **messagebird Transcriptions API** — Operations for creating and viewing transcriptions of call recordings.
- **messagebird Verify API** — Operations for creating, verifying, and managing verification tokens.
- **messagebird Voice Messages API** — Operations for sending and managing text-to-speech voice messages.
- **messagebird Webhooks API** — Operations for managing conversation webhooks that receive real-time event notifications.
- **messagebird WhatsApp Messages API** — Operations for sending and receiving WhatsApp messages through the Conversations API interface.

## Agentic access (1)

- **Messagebird Agentic Access** — 80 operations · 40 acting

## Security (3)

- **Messagebird Authentication** — apiKey · 1 scheme
- **Messagebird Domain Security** — TLSv1.3 · HSTS · DMARC
- **Messagebird Vulnerability Disclosure** — Hackerone · security.txt · contact published

## Plans (1)

- **Messagebird Plans Pricing**

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