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SecondEyes AI Document Extraction
x402
SecondEyes AI Document Extraction is a paid API for AI agents from secondeyesai.com, paid per call via x402, $0.050000/call, status unknown (last checked 2026-09-13).
Extracts structured, arithmetic-reconciled data from invoices, contracts, or generic documents provided as a PDF/doc URL, charging only when extraction fully reconciles.
Price / call$0.050000
Success—
StatusUnknown
How this service works
doc-extract: structured, arithmetic-reconciled extraction of an invoice, contract, or generic document from a PDF/doc URL. Evidence-only (schema-valid, totals reconcile, dates parse, ISO-4217 currency). Charges only when the extraction reconciles; on a math/schema failure it returns the discrepancy and does not settle.
Output
Returns a schema-valid structured extraction of the document with reconciled arithmetic totals, parsed ISO-8601 dates, and ISO-4217 currency codes. If math or schema validation fails, returns the specific discrepancy and does NOT charge the $0.10 USDC fee.
Example use cases
Example prompt
“Pull all the structured data out of this invoice PDF — https://example.com/invoice-2024-001.pdf — and make sure the line items, subtotals, taxes, and grand total actually reconcile before you give me the result.”
Technical details
Endpoint
GEThttps://secondeyesai.com/api/bar/x402/extractWhen to prefer
Prefer this endpoint when you need verified, arithmetic-correct extraction from financial or legal documents (invoices, contracts) and want a pay-on-success guarantee — you only pay $0.10 USDC when the extraction fully reconciles. Ideal for agentic workflows where silent extraction errors would cause downstream problems.
Side effects
- Math reconciliation failure: totals do not add up — returns discrepancy details, no charge applied
- Schema validation failure: extracted fields do not conform to expected schema — returns error with specifics, no charge
- Unparseable date or non-ISO-4217 currency encountered — extraction rejected with explanation
- Inaccessible or invalid document URL — returns fetch error
- Unsupported file format — returns format error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"data": {
"tax": 1.6,
"buyer": "Globex Inc",
"dates": {
"due_date": "2026-02-14",
"issue_date": "2026-01-15"
},
"total": 21.6,
"vendor": "Acme LLC",
"currency": "USD",
"subtotal": 20,
"line_items": [
{
"qty": 2,
"desc": "Widget",
"amount": 20,
"unit_price": 10
}
]
},
"tool": "doc-extract",
"doc_type": "invoice",
"validated": true,
"attestation": {
"basis": "evidence-only",
"claims": [
"schema-valid structured output",
"line items sum to subtotal",
"subtotal + tax reconciles to total"
]
}
}
}Tags
x402
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