Developer API
Cascade REST API
Everything you need to integrate OTP and short links: endpoints, errors, limits, webhooks, and SDKs.
Quick Answer
Base URL: https://cascade.kz/api. Auth — Authorization: Bearer <token>. OpenAPI: https://cascade.kz/openapi.yaml.
Summary
Cascade API accepts Bearer-token requests and delivers verification codes via WhatsApp, Telegram, or SMS.
Key Takeaways
- Create an API key in the company cabinet.
- Send OTP with POST /otp/send.
- Verify codes with POST /otp/verify.
- SMS costs more than messengers — account for token billing.
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