x402-niche-briefs.fly.dev
Card network dispute reason code lookup & Visa Compelling Evidence 3.0 (CE3.0) rebuttal guide. Pass ?network=visa|mastercard|amex (default visa) & ?code=10.4|13.1|13.3|4853 (default 13.1). Returns dispute definition, required compelling-evidence exhibits, CE3.0 historical-order match rules, and 3-part rebuttal letter structure.
- Price per call
- $0.01
- Chain
- Base
- Method
- GET
- Paid calls · 30 days
- 1
Call it from code
This API is run by its own provider and paid directly through x402. We list it so you can find it; we don't route or hold the payment.
import { x402Client, wrapFetchWithPayment } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
const client = new x402Client();
registerExactEvmScheme(client, { signer: agentAccount });
const pay = wrapFetchWithPayment(fetch, client);
const res = await pay("https://x402-niche-briefs.fly.dev/v1/chargeback-reason-code-guide", { method: "GET" });
console.log(await res.json());https://x402-niche-briefs.fly.dev/v1/chargeback-reason-code-guide