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gsc-marketplace.ai x402 Test Endpoint
x402
gsc-marketplace.ai x402 Test Endpoint is a paid API for AI agents from gsc-marketplace.ai, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
A test counterparty endpoint that accepts real x402 micropayments on Base, enabling end-to-end payment stack validation with live USDC settlement.
Price / call$0.005
Success—
StatusUnknown
How this service works
x402 test counterparty — prove your payment stack end to end with a real settlement on Base.
Output
A response confirming that the x402 payment was accepted and settled on Base, along with any test payload returned — effectively proving the full payment round-trip worked correctly.
Example use cases
Payment stack integration smoke test
“Run a live test against the gsc-marketplace.ai x402 counterparty using a GET request so I can confirm my payment middleware is actually settling USDC on Base before I ship.”
Agent micropayment capability verification
“I need to verify that my AI agent can autonomously pay for API calls — send a paid GET request to gsc-marketplace.ai using x402 and confirm the $0.005 USDC transaction went through.”
x402 protocol conformance check
“Can you hit the gsc-marketplace.ai test endpoint with a GET call to check that my x402 payment headers are properly formatted and accepted by a real counterparty on Base?”
Technical details
Endpoint
GEThttps://gsc-marketplace.ai/apiWhen to prefer
Choose this endpoint when you need a real, live counterparty to validate your x402 payment implementation end-to-end on Base with actual USDC settlement. It is purpose-built for payment stack testing and is ideal before integrating paid API calls into production agent workflows. Not suitable for production data retrieval or any functional business logic.
Side effects
- Insufficient USDC balance causes payment rejection and 402 response without settlement
- Malformed x402 payment header results in rejection by the counterparty
- Network issues on Base preventing on-chain settlement confirmation
- Invalid HTTP method used (only GET, HEAD, DELETE are supported)
- Payment facilitator unavailable, blocking settlement even if headers are correct
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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