CPaaS API Security in 2026: Key Scoping, Webhook Forgery, and Account Takeover at the Provider Layer
SMS pumping made CPaaS fraud visible, but the quieter 2026 discussion is about the API surface itself — leaked keys bought by CAPTCHA farms, forged webhook payloads injecting fraud events, and dashboard takeovers that mint attacker-owned credentials. This explainer walks the three shapes, the shipped tenant-owned controls that answer them, and the checklist to run in a CPaaS deal.
- API security
- API keys
- webhook security
- SAML
- account takeover
- buyer checklist
- 2026