Machine-to-machine invoicing
Machine-to-machine invoicing: issue a signed invoice now (payerAddress, amountUsdc, optional lineItems/memo/dueBy); the payer settles it later at its own dynamically-priced /pay sub-resource, instead of paying synchronously like every other endpoint here.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
637 msmedian answer time
$0.001listed price per call
$0.001price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://lab.paidapis.net/api/invoice/create
| Category | Everything else |
|---|---|
| Provider host | lab.paidapis.net |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.001 | 637 ms |
Example input (from the provider)
{
"body": {
"amountUsdc": 0,
"dueBy": "",
"lineItems": "",
"memo": "",
"payerAddress": ""
},
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"properties": {
"input": {
"properties": {
"body": {
"properties": {
"amountUsdc": {
"description": "Total amount due, in USDC.",
"type": "number"
},
"dueBy": {
"description": "ISO 8601 due date (default 7 days out).",
"type": "string"
},
"lineItems": {
"description": "JSON array of {\"description\",\"amountUsdc\"} objects, for record-keeping.",
"type": "string"
},
"memo": {
"description": "Free-text note.",
"type": "string"
},
"payerAddress": {
"description": "Wallet address expected to pay this invoice.",
"type": "string"
}
},
"required": [
"payerAddress",
"amountUsdc"
],
"type": "object"
}
}
},
"output": {
"properties": {
"example": {
"properties": {
"amountUsdc": {
"type": "number"
},
"dueBy": {
"type": "string"
},
"invoiceId": {
"type": "string"
},
"payUrl": {
"type": "string"
},
"payerAddress": {
"type": "string"
},
"signature": {
"type": "string"
},
"signerAddress": {
"type": "string"
},
"status": {
"enum": [
"pending",
"paid"
],
"type": "string"
}
},
"type": "object"
}
}
}
}
}