Look up the caller
API Reference
Look up the caller
Whether the caller has a saved card with Ringup, resolved from the caller number header. Call this as soon as the payment step begins; never mention a card on file before this confirms one.
POST
Look up the caller
Headers
The caller's phone number in E.164, templated from the platform's caller-ID variable. Never model-generated.
Example:
"+14155550142"
The dialed number in E.164 (resolved to a merchant server-side) or an explicit merchant id.
Example:
"tonys-pizza"
The platform's call id. Used for charge idempotency: retries within a call can never double-charge.