Discover / x402.agentindex.world

x402-payment-test

Not checked

Cheapest possible Base-mainnet x402 conformance call: settle $0.001 of USDC and receive payer identity, request echo and receipt. Built for agents testing wallets, Payment-Signature, facilitators and settlement. Try GET /x402-echo/sample.

x402
Base
USDC

Listed price: $0.001
Checks: Not checked
In our index since: 14 Oct 2026

Endpoint

curl -i https://x402.agentindex.world/x402-echo
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/x402.agentindex.world

Questions

What price is recorded for x402-payment-test?

Its listed price is $0.001.

What payment terms does x402-payment-test advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is x402-payment-test listed?

In x402 Bazaar. Superstables first indexed it on 14 Oct 2026.

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