callport.
Demo dashboardPreview an API
LEARN BY MAKING A CALL

Meet the 402 flow.

See how a request becomes a payment-aware conversation.

DEMO MODEThis entire playground is a simulation. No real funds, wallet or transaction is involved.

Your first pay-per-call flow

A controlled sample weather request. Every step runs in demo mode.

  1. 1Request a resource
  2. 2Inspect HTTP 402 requirements
  3. 3Simulate authorization
  4. 4Receive an example response
POST/api/demo
Request body
{
  "city": "Bengaluru"
}

No wallet connection, payment, signature or on-chain transaction. The demo authorization is intentionally just a marker.

Response inspector

READY
application/json · demo
Run a request to inspect the response.

Event log

Waiting for your first request…