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Polygon Token Flow Reconstructor
x402
Polygon Token Flow Reconstructor is a paid API for AI agents from signalharness.ai, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-15).
Reconstructs and analyzes token transfer flows on Polygon PoS networks from caller-supplied transfer data, producing a ledger of per-account net positions
Price / call$0.02
Success—
StatusUnknown
How this service works
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Output
Returns a structured JSON ledger with per-account entries showing inflow, outflow, and net token amounts for each (account, asset, chain) tuple, plus a network context block describing the Polygon PoS protocol family, accepted chain IDs, and completion policy. Also returns transfer count, evidence scope (caller_supplied_data), and warnings about coverage limitations.
Example use cases
DeFi trade settlement audit
“I have a list of ERC-20 token transfers from a Polygon mainnet DeFi trade — can you reconstruct the full token flow ledger so I can see which accounts are net buyers and sellers and by how much?”
Wallet accounting reconciliation
“Given these raw transfer records on Polygon PoS chain 137, can you compute the net in, out, and balance change for each wallet address so I can reconcile my accounting books?”
Bridge transfer flow verification
“I have a set of Polygon bridge transfers I need to verify — can you reconstruct the token flow and tell me if the inflows and outflows balance correctly across all the accounts involved?”
Technical details
Endpoint
POSThttps://signalharness.ai/api/agent/services/polygon_token_flow_reconstruct/invokeWhen to prefer
Choose this endpoint when you have raw Polygon PoS transfer records and need a structured per-account net-position ledger without running your own on-chain indexer. It is ideal for accounting reconciliation, DeFi trade audits, or bridge flow verification where you control the input data. Prefer it over generic blockchain explorers when you need deterministic computation on caller-supplied data rather than live chain queries.
Side effects
- Malformed or missing request_json causes validation error
- Transfer data referencing unsupported chain IDs (not 137 or 80002) may produce warnings or errors
- Incomplete transfer data yields partial ledger with coverage warnings
- Extremely large transfer sets may exceed the 65536-character request_json limit
- Payment failure or insufficient USDC balance blocks execution
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| request_json | string |
Output
Schema · Response
{
"type": "json",
"example": {
"replay": false,
"result": {
"warnings": [
"Covers supplied transfers only."
],
"service_id": "polygon_token_flow_reconstruct",
"analysis_json": "{\"ledger\":[{\"account\":\"0x0000000000000000000000000000000000000001\",\"asset\":\"0x0000000000000000000000000000000000000001\",\"chain\":\"137\",\"in\":\"0\",\"net\":\"-100\",\"out\":\"100\"},{\"account\":\"0x0000000000000000000000000000000000000002\",\"asset\":\"0x0000000000000000000000000000000000000001\",\"chain\":\"137\",\"in\":\"100\",\"net\":\"100\",\"out\":\"0\"}],\"network_context\":{\"accepted_chain_ids\":[\"137\",\"80002\"],\"bridge_model\":\"root-child state sync plus checkpoint evidence\",\"completion_policy\":\"never inferred without supplied evidence\",\"protocol_family\":\"Polygon PoS\"},\"transfer_count\":1}",
"evidence_scope": "caller_supplied_data",
"analyzed_network": "polygon"
},
"status": "succeeded",
"receipt": {
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"usage": [],
"status": "succeeded",
"network": "eip155:8453",
"artifacts": [],
"endedAtMs": 0,
"latencyMs": 0,
"paymentId": "example-payment",
"receiptId": "example-receipt",
"requestId": "example-request",
"serviceId": "polygon_token_flow_reconstruct",
"executionId": "example-execution",
"startedAtMs": 0,
"amountAtomic": "20000",
"resultSha256": "f900be641e9f14478bd7cf9636f09ca4268dd7645e7e8f55f2fb58c5a7112307",
"serviceVersion": "1.0.0",
"settlementReference": "0x0000000000000000000000000000000000000000000000000000000000000000"
},
"artifacts": [],
"requestId": "example-request",
"executionId": "example-execution"
}
}Tags
x402
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