§ Support
How to reach us
We normally reply within one business day. Security incidents are prioritised around the clock.
§ 01
Channels
- support@grunden.ai — general support, bugs, integration help, billing questions. Reply within 1 business day.
- security@grunden.ai — security incidents, responsible disclosure. Acknowledgement within 4 h around the clock.
- privacy@grunden.ai — GDPR requests, personal-data queries, DPA signing. Reply within 30 days (statutory max).
- hej@grunden.ai — sales, partnerships, press.
§ 02
Rate limits
Every API key has an RPM (requests per minute) and TPM (tokens per minute) limit set at creation. Default is 60 RPM / 100,000 TPM. Need more? Email support.
On exceeding, the API responds with 429 rate_limit_exceeded + header Retry-After: <seconds>. The client should wait and try again.
§ 03
Webhook signatures (async tier)
Async results are delivered via POST to the webhook_url with an HMAC signature:
- Header
X-Grunden-Signature:sha256=<hex HMAC-SHA256> - The signature is computed over the
raw bodywith your key's webhook secret (shown at creation). - Verify with
timingSafeEqualagainst the same HMAC computation on your side.
§ 04
Swedish legal channels
Disputes or complaints not resolved directly: Allmänna reklamationsnämnden (ARN) for consumers, Stockholm District Court for companies. GDPR complaints: Integritetsskyddsmyndigheten (IMY), imy@imy.se.