# Internal

Internal data

## GET /intern/ping

> Check the API health

```json
{"openapi":"3.0.0","info":{"title":"IONOS Cloud Billing API","version":"3.9.0"},"tags":[{"name":"internal","description":"Internal data"}],"servers":[{"url":"https://api.ionos.com/billing","description":"Production API"}],"security":[{"basicAuth":[]},{"bearerAuth":[]}],"components":{"securitySchemes":{"basicAuth":{"type":"http","scheme":"basic"},"bearerAuth":{"type":"http","scheme":"bearer"}}},"paths":{"/intern/ping":{"get":{"tags":["internal"],"description":"Check the API health","operationId":"internalPingGet","responses":{"200":{"description":"returns a value >= -1 when API is available"}}}}}}
```