seven.io
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.
seven.io is listed with 11 APIs on the APIs.io network, including Events API, Journal API, Lookup API, and 8 more. Tagged areas include Company, SMS, Voice, Messaging, and CPaaS.
The seven.io catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.
seven.io’s developer surface includes support, pricing, getting-started guide, documentation, authentication, engineering blog, changelog, and 19 more developer resources.
Kin Score
Standards implemented 1
Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.
APIs 11
Individual APIs this provider publishes, each with its own machine-readable definition.
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.
Scroll for all 11
seven.io API pricing
Prices published by seven.io, read 2026-10-28 from www.seven.io/en/prices/.
| Plan | Price |
|---|---|
| SMS | 0,075 € per SMS* |
| MNP Lookup | per request 0,005€ |
| HLR Lookup | per request 0,01€ |
| CNAM Lookup | per request 0,0075€ |
| Voice / Text2Speech | for each started minute from 0,015€ |
| WhatsApp Business | per sent message 0,005€ |
| Phone numbers | monthly from 19,90€ |
| SIM Hosting | monthly from 19,90€ |
All 9 plans, limits and sources →
Billed by: request · FinOps profile →
Pricing Plans 2
Published pricing tiers and plan structures.
Service Levels 1
Uptime the provider promises or reports, as SLA4OAI. Read from its own pages; APIs.io runs no monitors.
seven.io
SLAFinOps 1
Cost, billing, and metering signals for API financial operations.
Seven Io Finops
FINOPSSemantic Vocabularies 1
JSON-LD contexts and semantic vocabularies used across these APIs.
Seven Io Context
JSON-LDSpectral Rules 1
Spectral governance rulesets for linting and validating these APIs.
seven.io API Rules
SPECTRALJSON Schema 6
Standalone JSON Schema definitions for this provider's data models.
GetApiApiidIdResponse
JSON SCHEMAGetApiApiidResponse
JSON SCHEMAGetApiRcsAgentsResponse
JSON SCHEMAGetApiWabaTemplatesResponse
JSON SCHEMAPatchApiApiidResponse
JSON SCHEMAPostApiApiidEventsRequest
JSON SCHEMASecurity Posture 1
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Get Started 3
Portal, sign-up, and the first successful call
Documentation 1
Reference material describing how the API behaves
Design & Contract 6
Pagination, idempotency, versioning, errors, and events
Build 3
SDKs, sample code, and the tooling you integrate with
Access & Security 2
Authentication, authorization, and security posture
Operate 3
Status, limits, changes, and where to get help
Commercial 4
Pricing, plans, and the legal terms of use
Company 3
The organization behind the API
Other 1
Properties that don't map to a standard resource type
Source (apis.yml)
seven.io API — frequently asked questions
Does seven.io have an API?
Yes. APIs.io lists 11 APIs from seven.io, including seven.io Events API, seven.io Journal API and seven.io Lookup API, and 8 more.
Is there an OpenAPI specification for the seven.io API?
Yes. APIs.io indexes 11 OpenAPI specifications for seven.io, each linked for download from this page.
How do I authenticate with the seven.io API?
seven.io uses bearer-token authentication.
How much does the seven.io API cost?
seven.io publishes its prices; its SMS plan is 0,075 € per SMS* as of 2026-10-28. APIs.io lists 9 pricing plans for seven.io, with each plan's price, limits and inclusions under Pricing on this page.
Is the seven.io API ready for AI agents?
seven.io has a Kin Score of 35.9 out of 100 (thin) and an Agent Readiness score of 23.5 (agent-aware), scored by API Evangelist on 2026-11-06.
Work with this as data
Every provider here is available over the APIs.io API and to AI agents over MCP.