# seven.io

**Canonical:** https://apis.io/providers/seven-io/  
**Website:** https://www.seven.io  
**APIs profiled:** 11

seven.io (formerly sms77) is a German CPaaS provider in Kiel offering a REST API for SMS, voice calls, RCS, WhatsApp, number lookup (HLR/MNP/CNAM), contacts and webhooks.

## Kin Score — 35.9 / 100 (thin)

Scored 2026-11-06 under rubric 0.27.0. Trend: falling (-12.9 from 48.8).

| Facet | Score |
|---|---|
| Discoverability | 63.4 |
| Contract Quality | 25.4 |
| Contract Governance | 22.0 |
| Operational Transparency | 22.4 |
| Developer Ergonomics | 32.1 |
| Access Clarity | 61.8 |

Regulatory layer — **Telecommunications**: 17.5 (matched via tags).

## Agent readiness — 23.5 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | partial |
| Rate Limit Signal | no |
| Event Surface Described | unknown |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | distinct |
| MCP Tool Quality | na |

## Access

Paid — onboarding: unknown, pricing: paid, trial: no (confidence: low).

## APIs (11)

- **seven.io Events API** — The Events API from seven.io — 1 operation(s) for events.
- **seven.io Journal API** — The Journal API from seven.io — 1 operation(s) for journal.
- **seven.io Lookup API** — The Lookup API from seven.io — 1 operation(s) for lookup.
- **seven.io Messages API** — The Messages API from seven.io — 1 operation(s) for messages.
- **seven.io Numbers API** — The Numbers API from seven.io — 2 operation(s) for numbers.
- **seven.io Rcs API** — The Rcs API from seven.io — 2 operation(s) for rcs.
- **seven.io Revoke API** — The Revoke API from seven.io — 1 operation(s) for revoke.
- **seven.io Seven.io API** — The Seven.io API API from seven.io — 2 operation(s) for seven.io api.
- **seven.io Token API** — The Token API from seven.io — 1 operation(s) for token.
- **seven.io Voice API** — The Voice API from seven.io — 1 operation(s) for voice.
- **seven.io Waba API** — The Waba API from seven.io — 2 operation(s) for waba.

## Security (1)

- **Seven Io Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (2)

- **Seven Io Plans Pricing**
- **Seven Io Price Estimates**

## Tags

Company, SMS, Voice, Messaging, CPaaS, Germany

---

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