External integrations
| Integration | Purpose | Auth method |
|---|---|---|
| Firebase | SaaS user sign-in and ID tokens | Client SDK + Admin service account env vars |
| Stripe | Credit pack Checkout and webhooks | API secret key; webhook signing secret |
| OpenAI | Resume field extraction and interview reports | API keys (Gemini optional fallback for extraction) |
| Daily.co | Ephemeral video rooms for live interviews | Bearer API key |
| AWS S3 | Private resume storage (presigned upload/download) | Bucket name + IAM or local AWS keys |
| AWS SQS | Post-interview settlement and report jobs | Queue URLs + IAM or local AWS keys |