api.onesource.io

https://api.onesource.io/api/chain/allowance

● healthy x402

Paid verification

No sponsored paid call yet.

Pay this endpoint once from your own wallet (Base USDC, up to $1.00) and we call it and record what came back. Your wallet pays the listed recipient directly; Agent Tools never holds funds. Sponsored checks prove delivery; they do not count as demand.

Quality grade

How grading works

A 100.0 / 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 40.0 / 40

1269 distinct payers, 9757 USDC transfers in the last 30 days

Owner verified 0.0 / 3

Nobody has claimed this listing yet

Endpoint last checked 55 min ago. On-chain activity last read 7 h ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

How to call

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

curl -sS -i -X GET https://api.onesource.io/api/chain/allowance  # expect HTTP 402 Payment Required (about 0.003 USDC/call)

/.well-known/x402.json

https://api.onesource.io/.well-known/x402

Listed in

Directories this entry was found in.

x402