# SMSAPI

**Canonical:** https://apis.io/providers/smsapi/  
**Website:** https://www.smsapi.com/  
**APIs profiled:** 11

SMSAPI is a European bulk business-messaging provider headquartered in Poland and part of LINK Mobility. Its REST API delivers SMS, MMS, and voice (VMS) messaging, email marketing, two-factor authentication, contact and group management, sender field registration, subuser administration, and account/profile operations, authenticated with OAuth 2.0 bearer tokens over api.smsapi.com and api.smsapi.eu.

## Kin Score — 38.6 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 38.6).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 53.6 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 23.8 |
| Commercial Clarity | 47.4 |
| Access Clarity | 47.4 |

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

## Agent readiness — 19.8 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| 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 |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

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

## APIs (11)

- **SMSAPI 2FA API** — The 2FA API from SMSAPI — 2 operation(s) for 2fa.
- **SMSAPI Blacklist API** — The Blacklist API from SMSAPI — 2 operation(s) for blacklist.
- **SMSAPI Contacts API** — The Contacts API from SMSAPI — 4 operation(s) for contacts.
- **SMSAPI HLR API** — The HLR API from SMSAPI — 1 operation(s) for hlr.
- **SMSAPI MMS API** — The MMS API from SMSAPI — 1 operation(s) for mms.
- **SMSAPI Profile API** — The Profile API from SMSAPI — 1 operation(s) for profile.
- **SMSAPI Sender Names API** — The Sender Names API from SMSAPI — 3 operation(s) for sender names.
- **SMSAPI Short URLs API** — The Short URLs API from SMSAPI — 1 operation(s) for short urls.
- **SMSAPI SMS API** — The SMS API from SMSAPI — 1 operation(s) for sms.
- **SMSAPI Subusers API** — The Subusers API from SMSAPI — 2 operation(s) for subusers.
- **SMSAPI VMS API** — The VMS API from SMSAPI — 1 operation(s) for vms.

## Agentic access (1)

- **Smsapi Agentic Access** — 31 operations · 21 acting

## Security (3)

- **Smsapi Authentication** — http · 1 scheme
- **Smsapi Domain Security** — TLSv1.3 · HSTS · DMARC
- **Smsapi Trust Center** — ISO 27001, GDPR

## Plans (1)

- **Smsapi Plans Pricing**

## Tags

Messaging, SMS, MMS, Voice, 2FA, Bulk Messaging, Communications, CPaaS

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