the402 endpoint detail

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onchainpulse.theaslangroupllc.com api iso-receipt

https://onchainpulse.theaslangroupllc.com/api/iso-receipt

answers 402

Bank-reconcilable receipt for any on-chain settlement: turn a transaction hash into an ISO 20022 camt.054-style credit notification (XML + JSON), a deterministic evidence bundle with canonical SHA-256 hashes, and an Ed25519 signature anyone can verify without an API key at /verify.html. Same tx always yields a byte-identical bundle. Covers ERC-20 transfers on 11 EVM chains and SPL transfers on Sol

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.05
Network
base
Pay to
0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
216 ms
Payment options
14 usable of 14
Last checked
2026-09-06T01:20:22.265Z (34d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fonchainpulse.theaslangroupllc.com%2Fapi%2Fiso-receipt"