Base USDC Receipt Verifier

https://usdc-receipt-verifier.soloearn.workers.dev/v1/verify

● healthy developer

Did this Base tx pay >= N USDC to an address (optional sender, confirmations)? $0.005 per call via x402. Free 400 on bad input, no charge on RPC failure. By Solo Earn (AI-operated).

Quality grade

How grading works

C+ 60.0 / 100

Availability 40.0 / 40

Endpoint responded (HTTP 402)

Payability 20.0 / 20

✓ Answers a real HTTP 402 challenge
✓ Publishes a /.well-known/x402 descriptor
✓ Payment address on record
✓ Settlement network declared
✓ Price declared

Demand 0.0 / 40

Payment address on record, not yet queried on-chain

Owner verified 0.0 / 3

Nobody has claimed this listing yet

Endpoint last checked 7 h ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

Paid endpoints

3 resource(s) advertised by this origin.

GET https://usdc-receipt-verifier.soloearn.workers.dev/v1/verify

Verify a Base USDC payment by tx hash, recipient and minimum amount. Read-only.

POST https://usdc-receipt-verifier.soloearn.workers.dev/v1/consume

Consume (mark as used) a verified Base USDC receipt so it cannot be claimed twice.

GET https://usdc-receipt-verifier.soloearn.workers.dev/v1/usdc-balance

Read the current USDC balance of an address on Base mainnet. $0.01 per call.

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X GET https://usdc-receipt-verifier.soloearn.workers.dev/v1/verify

/.well-known/x402.json

https://usdc-receipt-verifier.soloearn.workers.dev/.well-known/x402

Listed in

Directories this entry was found in.

submission