ManyLives Invoice Checker

x402

ManyLives Invoice Checker is a paid API for AI agents from api.manylives.me, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-18).

Validates a tax invoice (or batch of up to 200) for arithmetic correctness and GST compliance, returning per-check pass/fail results

Price / call$0.003

Seller volume →—

Success—

StatusUnknown

How this service works

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Output

A JSON object with a top-level pass boolean, an array of per-invoice results each containing pass/fail, the invoice number, index, and an array of named checks (e.g. 'GST amount', 'seller ABN') each with ok boolean and a human-readable detail string explaining any discrepancy, plus a duplicates array listing any repeated invoices in a batch.

Example use cases

Verify supplier invoice before payment

“Before I pay this invoice, can you check if the numbers add up? It's from Harbour Plumbing, INV-1042, ABN 51 824 753 556, dated 2026-10-01 — line items are 2x tap repair at $90 = $180, and 1x washers at $20, subtotal $200, GST $22, total $222. Does the GST look right?”

Batch audit of bookkeeping invoices

“I've got a list of 50 invoices from our accounts payable system. Can you run them all through the invoice checker and flag any where the GST amount is wrong or the line items don't add up to the total?”

Validate GST on a non-Australian invoice

“I have an invoice from a New Zealand supplier with a 15% GST rate — can you check whether the tax amount and totals are calculated correctly? Seller is Kiwi Electrical, invoice NZ-0098, subtotal $500, GST $75, total $575, one line item: electrical inspection $500.”

Technical details

Endpoint

POSThttps://api.manylives.me/paid/doc/invoice-check?utm_source=zero.xyz

When to prefer

Use this endpoint when you need automated, per-rule invoice validation with detailed explanations of each failure — especially for Australian GST compliance (ABN format, 10% GST arithmetic, GST-free line handling). Prefer over generic LLM invoice parsing when you need deterministic arithmetic checks with structured pass/fail outputs. Ideal for accounts-payable automation, bookkeeping agents, and auditing supplier invoices at scale (up to 200 per call).

Side effects

Missing or malformed invoice JSON results in validation errors
ABN check is format-only — invalid ABNs that pass the check-digit algorithm are not caught against the official register
GST-free lines not marked gst_free will cause incorrect expected GST calculation
tax_rate must be supplied for non-Australian invoices or GST check will default to 10%
Batch limit of 200 invoices; larger batches must be split
Payment required (x402): calls without valid USDC payment return 402 status

Input

Schema · Request body

Field	Type	Description
country	string	optional, default AU
invoice	string	{invoice_number, date (YYYY-MM-DD), seller_name, seller_abn, buyer_name, buyer_abn, text or tax_invoice_words, lines: [{description, quantity, unit_price, amount, gst_free}], subtotal, gst, total, prices_include_gst}
invoices	string	or a list of up to 200
tax_rate	string	optional fraction; required outside Australia

Output

Schema · Response

{
  "type": "json",
  "example": {
    "pass": false,
    "invoices": [
      {
        "pass": false,
        "index": 0,
        "checks": [
          {
            "ok": false,
            "check": "GST amount",
            "detail": "expected about $20.00 at 10% of the taxable lines, but the invoice says $22.00. GST-free lines must be marked gst_free."
          },
          {
            "ok": true,
            "check": "seller ABN",
            "detail": "11 digits and the check digits are valid (format only; not looked up on the register)."
          }
        ],
        "invoice_number": "INV-1042"
      }
    ],
    "duplicates": []
  }
}

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