sms77.io Swagger API. Get your API-Key now at sms77.io.
https://gateway.sms77.io/api
Auth type
API Key Header
Auth header
X-API-Key: YOUR_API_KEY
Rate limit
1,000 req/min
Pricing
Enterprise / contact sales
Free quota
None
Documentation
https://sms77.io/en/company/contact
Endpoint status
Unreachable — No response — server may be down or blocking automated probes
(checked Mar 29, 2026)
Builder score
D
33%
builder-friendly
API key in the request header (X-API-Key)
X-API-Key: YOUR_API_KEY
SMS77 (now Seven). Pay-as-you-go SMS. Starting at €0.049/SMS (Germany). International rates vary. No monthly fee. Free test credits on signup.
| Method | Path | Description |
|---|---|---|
| GET | /analytics |
GET /analytics |
| GET | /balance |
GET /balance |
| GET | /contacts |
GET /contacts |
| POST | /contacts |
POST /contacts |
| GET | /hooks |
GET /hooks |
| POST | /hooks |
POST /hooks |
| POST | /lookup |
POST /lookup |
| POST | /lookup/cnam |
POST /lookup/cnam |
curl -X GET 'https://gateway.sms77.io/api/analytics' \ -H 'X-API-Key: YOUR_API_KEY'
{}
Data sourced from API Map. Always verify pricing and rate limits against the official sms77.io documentation.