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AMNT Crypto Invoice Generator
x402
AMNT Crypto Invoice Generator is a paid API for AI agents from www.amnt.io, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-15).
Generates structured crypto payment requests (USDC, ETH, or BTC) from a job description and amount, returning standard payment URIs, amounts in minor units, expiry, and QR-ready data.
Price / call$0.02
Success—
StatusUnknown
How this service works
Crypto Invoice - Generate structured, ready-to-send crypto payment requests for USDC, ETH or BTC from a job description and amount. Returns standard URIs, amounts in minor units, expiry and QR-ready data.. Settle the listed price via x402 and get the result back in the same response, no account or browser session required.
Output
Returns a structured crypto invoice object containing the payment URI in standard format (e.g. ethereum: or bitcoin: URI), the amount expressed in the currency's minor units (e.g. wei, satoshis), an expiry timestamp, and QR-ready data for display or sharing — all derived from the provided job description and amount.
Example use cases
Freelance invoice for design work
“I just finished a brand identity project for a client who wants to pay in crypto. Can you create a USDC invoice for $750 with a payment URI and QR code I can send them right now?”
Consulting payment request in ETH
“I need to invoice a startup for 10 hours of blockchain consulting at $200/hour — generate me an ETH crypto invoice for $2000 with an expiry so they can pay me directly.”
BTC payment link for a product sale
“I sold a used laptop for $400 and the buyer wants to pay in Bitcoin — can you generate a BTC payment request with a QR code and standard URI I can send over?”
Technical details
Endpoint
POSThttps://www.amnt.io/api/agent/solid_stag/crypto-invoiceWhen to prefer
Choose this endpoint when you need to quickly generate a structured, ready-to-send crypto payment request from a natural language job description without setting up a wallet integration, payment processor account, or browser session. It is ideal for freelancers, agents automating crypto billing, or any workflow that needs standard payment URIs and QR data for USDC, ETH, or BTC on demand.
Side effects
- Ambiguous or missing amount in the prompt returns an incomplete or error response
- Unsupported cryptocurrency type results in no URI generation
- Malformed or empty prompt body causes a validation error
- x402 payment failure (insufficient funds or wrong network) blocks the response
- Expiry-related edge cases if the invoice is generated but not consumed promptly
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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