SMSAPI

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.

SMSAPI publishes 11 APIs on the APIs.io network, including 2FA API, Blacklist API, Contacts API, and 8 more. Tagged areas include Messaging, SMS, MMS, Voice, and 2FA.

SMSAPI’s developer surface includes authentication, documentation, engineering blog, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub
38.0/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessPaidSelf serve
11 APIs
MessagingSMSMMSVoice2FABulk MessagingCommunicationsCPaaS

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 38.0/100 · thin
Contract Quality 14.5 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 9.5 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/smsapi: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 11

Individual APIs this provider publishes, each with its own machine-readable definition.

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.

Scroll for all 11

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

SMSAPI REST API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Smsapi Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Smsapi Rate Limits

4 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Smsapi Finops

FINOPS

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Smsapi Authentication

http · 1 scheme

SECURITY

Smsapi Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Smsapi Trust Center

ISO 27001, GDPR

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Smsapi Agentic Access

31 operations · 21 acting

31 operations · 21 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans
Plans
 FinOps
FinOps

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: smsapi
url: https://raw.githubusercontent.com/api-evangelist/smsapi/refs/heads/main/apis.yml
name: SMSAPI
kind: company
description: 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.
accessModel:
  pricing: paid
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Paid · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/smsapi.png
tags:
- Messaging
- SMS
- MMS
- Voice
- 2FA
- Bulk Messaging
- Communications
- CPaaS
created: '2026-07-01'
modified: '2026-07-01'
specificationVersion: '0.19'
apis:
- aid: smsapi:smsapi-2fa-api
  name: SMSAPI 2FA API
  description: The 2FA API from SMSAPI — 2 operation(s) for 2fa.
  humanURL: https://www.smsapi.com/docs/#sms-api
  baseURL: https://api.smsapi.com/sms.do
  tags:
  - 2FA
  properties:
  - type: OpenAPI
    url: openapi/smsapi-2fa-api-openapi.yml
  - type: Documentation
    url: https://www.smsapi.com/docs/#sms-api
  - type: APIReference
    url: https://www.smsapi.com/docs/
  - type: PostmanCollection
    url: collections/smsapi.postman_collection.json
  - type: OpenCollection
    url: collections/smsapi.opencollection.json
  - type: Documentation
    url: https://www.smsapi.com/docs/#mms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#vms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#contacts-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#sender-names-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#2fa-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#subusers-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#profile-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#hlr-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#blacklist-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#short-urls-api
- aid: smsapi:smsapi-blacklist-api
  name: SMSAPI Blacklist API
  description: The Blacklist API from SMSAPI — 2 operation(s) for blacklist.
  humanURL: https://www.smsapi.com/docs/#sms-api
  baseURL: https://api.smsapi.com/sms.do
  tags:
  - Blacklist
  properties:
  - type: OpenAPI
    url: openapi/smsapi-blacklist-api-openapi.yml
  - type: Documentation
    url: https://www.smsapi.com/docs/#sms-api
  - type: APIReference
    url: https://www.smsapi.com/docs/
  - type: PostmanCollection
    url: collections/smsapi.postman_collection.json
  - type: OpenCollection
    url: collections/smsapi.opencollection.json
  - type: Documentation
    url: https://www.smsapi.com/docs/#mms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#vms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#contacts-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#sender-names-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#2fa-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#subusers-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#profile-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#hlr-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#blacklist-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#short-urls-api
- aid: smsapi:smsapi-contacts-api
  name: SMSAPI Contacts API
  description: The Contacts API from SMSAPI — 4 operation(s) for contacts.
  humanURL: https://www.smsapi.com/docs/#sms-api
  baseURL: https://api.smsapi.com/sms.do
  tags:
  - Contacts
  properties:
  - type: OpenAPI
    url: openapi/smsapi-contacts-api-openapi.yml
  - type: Documentation
    url: https://www.smsapi.com/docs/#sms-api
  - type: APIReference
    url: https://www.smsapi.com/docs/
  - type: PostmanCollection
    url: collections/smsapi.postman_collection.json
  - type: OpenCollection
    url: collections/smsapi.opencollection.json
  - type: Documentation
    url: https://www.smsapi.com/docs/#mms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#vms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#contacts-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#sender-names-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#2fa-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#subusers-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#profile-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#hlr-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#blacklist-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#short-urls-api
- aid: smsapi:smsapi-hlr-api
  name: SMSAPI HLR API
  description: The HLR API from SMSAPI — 1 operation(s) for hlr.
  humanURL: https://www.smsapi.com/docs/#sms-api
  baseURL: https://api.smsapi.com/sms.do
  tags:
  - HLR
  properties:
  - type: OpenAPI
    url: openapi/smsapi-hlr-api-openapi.yml
  - type: Documentation
    url: https://www.smsapi.com/docs/#sms-api
  - type: APIReference
    url: https://www.smsapi.com/docs/
  - type: PostmanCollection
    url: collections/smsapi.postman_collection.json
  - type: OpenCollection
    url: collections/smsapi.opencollection.json
  - type: Documentation
    url: https://www.smsapi.com/docs/#mms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#vms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#contacts-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#sender-names-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#2fa-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#subusers-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#profile-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#hlr-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#blacklist-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#short-urls-api
- aid: smsapi:smsapi-mms-api
  name: SMSAPI MMS API
  description: The MMS API from SMSAPI — 1 operation(s) for mms.
  humanURL: https://www.smsapi.com/docs/#sms-api
  baseURL: https://api.smsapi.com/sms.do
  tags:
  - MMS
  properties:
  - type: OpenAPI
    url: openapi/smsapi-mms-api-openapi.yml
  - type: Documentation
    url: https://www.smsapi.com/docs/#sms-api
  - type: APIReference
    url: https://www.smsapi.com/docs/
  - type: PostmanCollection
    url: collections/smsapi.postman_collection.json
  - type: OpenCollection
    url: collections/smsapi.opencollection.json
  - type: Documentation
    url: https://www.smsapi.com/docs/#mms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#vms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#contacts-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#sender-names-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#2fa-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#subusers-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#profile-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#hlr-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#blacklist-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#short-urls-api
- aid: smsapi:smsapi-profile-api
  name: SMSAPI Profile API
  description: The Profile API from SMSAPI — 1 operation(s) for profile.
  humanURL: https://www.smsapi.com/docs/#sms-api
  baseURL: https://api.smsapi.com/sms.do
  tags:
  - Profile
  properties:
  - type: OpenAPI
    url: openapi/smsapi-profile-api-openapi.yml
  - type: Documentation
    url: https://www.smsapi.com/docs/#sms-api
  - type: APIReference
    url: https://www.smsapi.com/docs/
  - type: PostmanCollection
    url: collections/smsapi.postman_collection.json
  - type: OpenCollection
    url: collections/smsapi.opencollection.json
  - type: Documentation
    url: https://www.smsapi.com/docs/#mms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#vms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#contacts-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#sender-names-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#2fa-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#subusers-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#profile-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#hlr-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#blacklist-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#short-urls-api
- aid: smsapi:smsapi-sender-names-api
  name: SMSAPI Sender Names API
  description: The Sender Names API from SMSAPI — 3 operation(s) for sender names.
  humanURL: https://www.smsapi.com/docs/#sms-api
  baseURL: https://api.smsapi.com/sms.do
  tags:
  - Sender Names
  properties:
  - type: OpenAPI
    url: openapi/smsapi-sender-names-api-openapi.yml
  - type: Documentation
    url: https://www.smsapi.com/docs/#sms-api
  - type: APIReference
    url: https://www.smsapi.com/docs/
  - type: PostmanCollection
    url: collections/smsapi.postman_collection.json
  - type: OpenCollection
    url: collections/smsapi.opencollection.json
  - type: Documentation
    url: https://www.smsapi.com/docs/#mms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#vms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#contacts-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#sender-names-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#2fa-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#subusers-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#profile-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#hlr-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#blacklist-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#short-urls-api
- aid: smsapi:smsapi-short-urls-api
  name: SMSAPI Short URLs API
  description: The Short URLs API from SMSAPI — 1 operation(s) for short urls.
  humanURL: https://www.smsapi.com/docs/#sms-api
  baseURL: https://api.smsapi.com/sms.do
  tags:
  - Short URLs
  properties:
  - type: OpenAPI
    url: openapi/smsapi-short-urls-api-openapi.yml
  - type: Documentation
    url: https://www.smsapi.com/docs/#sms-api
  - type: APIReference
    url: https://www.smsapi.com/docs/
  - type: PostmanCollection
    url: collections/smsapi.postman_collection.json
  - type: OpenCollection
    url: collections/smsapi.opencollection.json
  - type: Documentation
    url: https://www.smsapi.com/docs/#mms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#vms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#contacts-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#sender-names-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#2fa-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#subusers-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#profile-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#hlr-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#blacklist-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#short-urls-api
- aid: smsapi:smsapi-sms-api
  name: SMSAPI SMS API
  description: The SMS API from SMSAPI — 1 operation(s) for sms.
  humanURL: https://www.smsapi.com/docs/#sms-api
  baseURL: https://api.smsapi.com/sms.do
  tags:
  - SMS
  properties:
  - type: OpenAPI
    url: openapi/smsapi-sms-api-openapi.yml
  - type: Documentation
    url: https://www.smsapi.com/docs/#sms-api
  - type: APIReference
    url: https://www.smsapi.com/docs/
  - type: PostmanCollection
    url: collections/smsapi.postman_collection.json
  - type: OpenCollection
    url: collections/smsapi.opencollection.json
  - type: Documentation
    url: https://www.smsapi.com/docs/#mms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#vms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#contacts-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#sender-names-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#2fa-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#subusers-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#profile-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#hlr-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#blacklist-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#short-urls-api
- aid: smsapi:smsapi-subusers-api
  name: SMSAPI Subusers API
  description: The Subusers API from SMSAPI — 2 operation(s) for subusers.
  humanURL: https://www.smsapi.com/docs/#sms-api
  baseURL: https://api.smsapi.com/sms.do
  tags:
  - Subusers
  properties:
  - type: OpenAPI
    url: openapi/smsapi-subusers-api-openapi.yml
  - type: Documentation
    url: https://www.smsapi.com/docs/#sms-api
  - type: APIReference
    url: https://www.smsapi.com/docs/
  - type: PostmanCollection
    url: collections/smsapi.postman_collection.json
  - type: OpenCollection
    url: collections/smsapi.opencollection.json
  - type: Documentation
    url: https://www.smsapi.com/docs/#mms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#vms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#contacts-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#sender-names-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#2fa-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#subusers-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#profile-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#hlr-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#blacklist-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#short-urls-api
- aid: smsapi:smsapi-vms-api
  name: SMSAPI VMS API
  description: The VMS API from SMSAPI — 1 operation(s) for vms.
  humanURL: https://www.smsapi.com/docs/#sms-api
  baseURL: https://api.smsapi.com/sms.do
  tags:
  - VMS
  properties:
  - type: OpenAPI
    url: openapi/smsapi-vms-api-openapi.yml
  - type: Documentation
    url: https://www.smsapi.com/docs/#sms-api
  - type: APIReference
    url: https://www.smsapi.com/docs/
  - type: PostmanCollection
    url: collections/smsapi.postman_collection.json
  - type: OpenCollection
    url: collections/smsapi.opencollection.json
  - type: Documentation
    url: https://www.smsapi.com/docs/#mms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#vms-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#contacts-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#sender-names-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#2fa-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#subusers-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#profile-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#hlr-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#blacklist-api
  - type: Documentation
    url: https://www.smsapi.com/docs/#short-urls-api
common:
- type: AgenticAccess
  url: agentic-access/smsapi-agentic-access.yml
- type: TrustCenter
  url: security/smsapi-trust-center.yml
- type: DomainSecurity
  url: security/smsapi-domain-security.yml
- type: Authentication
  url: authentication/smsapi-authentication.yml
- type: GitHubOrganization
  url: https://github.com/smsapi
- type: LinkedIn
  url: https://www.linkedin.com/company/smsapi-com
- type: Website
  url: https://www.smsapi.com/
- type: Documentation
  url: https://www.smsapi.com/docs/
- type: Plans
  url: plans/smsapi-plans-pricing.yml
- type: RateLimits
  url: rate-limits/smsapi-rate-limits.yml
- type: FinOps
  url: finops/smsapi-finops.yml
- url: https://www.smsapi.com/blog/feed
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com