Snack Money · Farcaster USDC Payments
Initiate USDC payments to Farcaster users identified by username with on-chain settlement confirmation.
What it does
Initiate USDC payments to Farcaster users identified by username with on-chain settlement confirmation.
- Tip Farcaster content creators programmatically
- Build agent-to-agent payment flows via social handles
- Automate reward distribution to community members by username
Ideal buyer
Social payment apps and agent systems integrating Farcaster-native money transfers.
Run this through your governed agent wallet.
- 01Bootstrap AXON once with
npx @axon402/init. - 02Use the AXON runtime MCP tools to
search_x402_servicesorinspect_x402_offerfor this service. - 03Quote, test-buy, then run the governed paid fetch through AXON.
Send this
Prompt for your agent
A natural-language instruction for your LLM agent — with this endpoint exposed as a tool — to call this resource. Not sent to the endpoint; the endpoint consumes the JSON body below.
Pasting this prompt into a raw ChatGPT or unconfigured agent will notexecute the paid endpoint flow. Run it through an agent with the AXON runtime / MCP tools exposed (see “Use with AXON” above) so the 402 challenge, quote, and governed fetch are handled for you.
“Send 5 USDC to @dwr on Farcaster and return the transaction hash”
Endpoint request body
The JSON payload your agent sends to the endpoint.
{
"token": "USDC",
"amount": "5.00",
"username": "dwr"
}Advanced HTTP details
For integrators who need the raw protocol surface. Most agents should use AXON above instead of calling these directly.
Endpoint URL
curl fallback
curl https://api.snack.money/payments/farcaster/pay \ -H "Content-Type: application/json" \ -H "X-PAYMENT: [signed_payment_envelope]" \ -d '{"token":"USDC","amount":"5.00","username":"dwr"}'
Payment & settlement details
Raw on-chain settlement parameters. AXON above handles these automatically through quote / test-buy / governed fetch.
Price & network
Trust & risk
- Initiates outbound payment — financial risk.
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Category proxy — we don't track live co-purchase signals yet.