signalharness.ai
Route probed: POST https://signalharness.ai/api/agent/services/address_checksum/invoke
Category: eat:onchain/crypto data (tags: chain-data) · Status: listing listed, probe active · Listing: 0.005 USD, 0 payers / 0 calls (30d, Bazaar) · Listed in: x402-list
Last probe: 2026-10-23T12:46:36Z (5 h ago) · Recent valid 402: 0/1 · p50 108 ms
probe-only: no paid test-buys yet. No index until 3 paid buys on 3 different days.
Badge: 
Paid test-buys
None yet.
Unpaid probes (newest first, up to 200; raw receipts are kept 7 days, then in the archive)
| Receipt | UTC time | Method | Status | Valid 402 | ms | Listed amount (atomic) | Quoted amount (atomic) | Quoted payTo | Header bytes | Response sha256 | Signed | Route | Checks |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5f64c11666ee2ebd3def | 2026-10-23T12:46:36Z | POST | 503 | no | 108 | 5000 | 747e9c7a8f5ed7e5 | snapshot | primary |
Other listed routes
POST https://signalharness.ai/api/agent/services/address_checksum/invokeNormalize one caller-supplied EVM address to its EIP-55 checksum representation. (x402-list)POST https://signalharness.ai/api/agent/services/address_validate/invokeValidate one caller-supplied EVM, Solana, or Bitcoin address for the explicitly selected format. (x402-list)POST https://signalharness.ai/api/agent/services/abi_function_decode/invokeDecode supplied function calldata against a supplied ABI. (x402-list)POST https://signalharness.ai/api/agent/services/abi_function_encode/invokeEncode function calldata from a supplied ABI, function name, and arguments. (x402-list)POST https://signalharness.ai/api/agent/services/agent_tool_schema_validate/invoke330 production x402 API services for AI agents covering web/data processing, validation, AI utilities, blockchain/crypto utilities and related machine-callable (x402-list)
Seller? Reply or dispute. Amounts are in the asset's atomic units (USDC: 6 decimals).