# Courier

**Canonical:** https://apis.io/providers/courier/  
**Website:** https://www.courier.com/  
**APIs profiled:** 22

Courier is a multi-channel notification API offering routing across email, SMS, push, chat, and in-app, with templates, preferences, and a no-code studio.

## Kin Score — 32.0 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (-0.9 from 32.9).

| Facet | Score |
|---|---|
| Discoverability | 55.6 |
| Contract Quality | 70.2 |
| Governance | 13.6 |
| Contract Governance | 13.6 |
| Operational Transparency | 7.9 |
| Developer Ergonomics | 14.3 |
| Commercial Clarity | 21.1 |
| Access Clarity | 21.1 |

Regulatory layer — **Telecommunications**: 23.6 (matched via tags).

## Agent readiness — 42.2 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | documented |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | partial |
| 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

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

## APIs (22)

- **Courier Inbox Real-Time API** — WebSocket service that delivers Inbox messages and message-state events (read, unread, opened, archived, clicked, mark-all-read, archive-all, archive-read) to authenticated user...
- **Courier Audiences API** — The Audiences API from Courier — 3 operation(s) for audiences.
- **Courier Audit Events API** — The Audit Events API from Courier — 2 operation(s) for audit events.
- **Courier Authentication API** — The Authentication API from Courier — 1 operation(s) for authentication.
- **Courier Automations API** — The Automations API from Courier — 3 operation(s) for automations.
- **Courier Brands API** — The Brands API from Courier — 2 operation(s) for brands.
- **Courier Bulk API** — The Bulk API from Courier — 4 operation(s) for bulk.
- **Courier Courier Create API** — The Courier Create API from Courier — 4 operation(s) for courier create.
- **Courier Device Tokens API** — The Device Tokens API from Courier — 2 operation(s) for device tokens.
- **Courier Inbound API** — The Inbound API from Courier — 1 operation(s) for inbound.
- **Courier Journeys API** — The Journeys API from Courier — 2 operation(s) for journeys.
- **Courier Lists API** — The Lists API from Courier — 5 operation(s) for lists.
- **Courier Notification Templates API** — The Notification Templates API from Courier — 8 operation(s) for notification templates.
- **Courier Providers API** — The Providers API from Courier — 3 operation(s) for providers.
- **Courier Routing Strategies API** — The Routing Strategies API from Courier — 3 operation(s) for routing strategies.
- **Courier Send API** — The Send API from Courier — 1 operation(s) for send.
- **Courier Sent Messages API** — The Sent Messages API from Courier — 6 operation(s) for sent messages.
- **Courier Tenants API** — The Tenants API from Courier — 4 operation(s) for tenants.
- **Courier Translations API** — The Translations API from Courier — 1 operation(s) for translations.
- **Courier User Preferences API** — The User Preferences API from Courier — 2 operation(s) for user preferences.
- **Courier User Profiles API** — The User Profiles API from Courier — 2 operation(s) for user profiles.
- **Courier User Tenants API** — The User Tenants API from Courier — 2 operation(s) for user tenants.

## Agentic access (1)

- **Courier Agentic Access** — 103 operations · 60 acting

## Security (3)

- **Courier Authentication** — http · 1 scheme
- **Courier Domain Security** — TLSv1.3 · HSTS · DMARC
- **Courier Trust Center** — SOC 2, PCI DSS, HIPAA, GDPR

## Plans (1)

- **Courier Plans Pricing**

## Tags

Notification, Email, SMS, Push

---

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