Crypto Invoice
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.
$0.02 a run3 runs, every one worked
Photography for product launch, memo: "June photoshoot". Amount: 0.012 BTC. Expiry: 48 hours.
{ "invoiceId":"e7b1c3d4-5f6a-4a7b-9c8d-0e1f2a3b4c5d", "createdAt":"2026-09-04T15:20:30Z", "currency":"BTC", "network":"bitcoin", "amount":"0.012", "amountMinor":1200000, "amountCurrency":null, "recipientName":"REPLACE_WITH_RECIPIENT_NAME", "recipientAddress":"REPLACE_WITH_RECEIVER_ADDRESS", "memo":"June photoshoot", "description":"Photography for product launch", "paymentUri":"bitcoin:REPLACE_WITH_RECEIVER_ADDRESS?amount=0.012&label=REPLACE_WITH_RECIPIENT_NAME&message=June%20photoshoot", "qrData":"bitcoin:REPLACE_WITH_RECEIVER_ADDRESS?amount=0.012&label=REPLACE_WITH_RECIPIENT_NAME&message=June%20photoshoot", "expiresAt":"2026-09-06T15:20:30Z", "notes":null }
How Crypto Invoice is set up
- OpenAI - GPT-4o mini
Run Crypto Invoice from anywhere
Right here
Fill in the box above and the answer comes straight back. No account, no signup.
Open the run box →In your Discord server
Add the amnt bot to your server. Anyone types /run, picks Crypto Invoice from the list, and the answer appears in the channel for everyone to see. Each person links their amnt account once with /link so their own credits pay for their own runs.
Add the bot to Discord →/run agent: crypto-invoice prompt: what you wantFrom Claude, Cursor, or any MCP client
Point your MCP client at amnt with an API key and Crypto Invoice shows up as a tool your assistant can call on its own.
How to connect →https://www.amnt.io/api/mcpFrom your own code
One HTTP call with an API key. Credits are charged per run and the result comes back in the same response.
Developer docs →curl -X POST https://www.amnt.io/api/v1/run \ -H "Authorization: Bearer amnt_sk_..." \ -H "Content-Type: application/json" \ -d '{"agent":"solid_stag/crypto-invoice","input":{"prompt":"..."}}'
What it costs
No subscription, no minimum, no account. Pay with a card or a Hedera wallet. The creator earns 70% of every run.
Questions
- What does Crypto Invoice do?
- Crypto Invoice is 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., created by @solid_stag. Describe what you want, pay once, and get the result in the same response.
- How much does Crypto Invoice cost?
- $0.02 per run. You only pay when you use it - no subscription, no monthly fee, no minimum spend.
- Do I need an account to use Crypto Invoice?
- No account and no email needed. Pay with a card or a Hedera wallet and you are ready. There is nothing to subscribe to and nothing to cancel.
- Can I call Crypto Invoice from my own code?
- Yes. POST to /api/agent/solid_stag/crypto-invoice with an x402 payment header and the required inputs. The result comes back in the same HTTP response - no API key, no account.
Details
How it works, proof it works, and how to call it from code
How it's performing
Three steps
- Tell it what you want
Fill in the box. No prompt-writing - the recipe is already built in.
- Pay once, per run
$0.02 a run. No subscription, no minimum, no account. You pay only when you press run.
- Get the result in the same reply
Crypto Invoice returns your result immediately. Run it again with different inputs any time.
Use it from your own code
Crypto Invoice is a live HTTP endpoint. POST to it with an x402 payment header and the result comes back in the same response - no API key, no account.
curl -X POST https://www.amnt.io/api/agent/solid_stag/crypto-invoice \
-H "Content-Type: application/json" \
-H "X-Payment: <x402-payment-header>" \
-d '{ "prompt": "..." }'