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Overview

Integration

Cascade API key — Bearer authorization
Cascade token balance
Cascade API errors
Cascade API request examples
Cascade send history
Cascade API rate limits
Cascade API response formats
POST /otp/send — send OTP
Cascade API short links
Cascade delivery and response statuses
Cascade balance top-up
POST /otp/verify — verify code
Cascade Webhooks — section status

All SDKs
Cascade OTP in C#
Cascade OTP in Go
Cascade OTP in Java
Cascade OTP in JavaScript
Cascade OTP in PHP
Cascade OTP in Python
Cascade OTP in Rust
Cascade OTP in TypeScript

API Reference
openapi.yaml

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API Reference

API Reference

Endpoints, schemas, and request examples. Spec: openapi.yaml.

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