https://api.ogenalabs.com/api/gate402/mcp ↗
Drop-in x402 checkout for merchants: issue terms, verify payment. $0.01 each.
gate402 merchant checkout is a remote MCP server published at api.ogenalabs.com. It has been probed 7 times since 9/12/2026. It answered in 7 of them (100.0%), a near-uninterrupted record. Median response time is 200 ms, placing it among the faster endpoints. It offers a narrow, focused set of 2 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer spec.
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
create_checkout — Description conflates 'issue terms' with 'settle funds' without clear boundaries.verify_checkout — Description doesn't specify validation criteria for paymentSignature.Risk: low
tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
create_checkoutIssue buyer-facing x402 payment terms for one merchant order: funds settle payer to merchant directly. Costs $0.01 USDC per checkout. First 20 per caller per day are free.
networkstringrequiredmerchantPayTostringrequiredamountUsdstringrequiredmemostringverify_checkoutVerify and settle the buyer payment for a checkout id. Free: pass the buyer paymentSignature, get back paid with the settlement transaction or pending with the reason.
checkoutIdstringrequiredpaymentSignaturestringrequiredDerived by comparing consecutive probes — changes in era, protocol version, build and reachability.
Add this badge to your README — it updates automatically as measurements change.
[](https://mcpmetrics.io/servers/com-ogenalabs-gate402-x402)<a href="https://mcpmetrics.io/servers/com-ogenalabs-gate402-x402"><img src="https://mcpmetrics.io/badge/com.ogenalabs/gate402-x402/era.svg" alt="mcpmetrics"></a>You are seeing the last 7 days. Sign up for the full history. Which check failed and why is in the dashboard.
Sign up free to seeThe catalog entries whose name and description are closest to this one, found with the same index the search box uses.
Pre-payment merchant trust checks for x402 agents on Base and Solana.
Self-facilitated x402/MCP payments for hosted endpoints, rail proofs, receipts, and agents.
Discover x402 paid APIs and inspect fresh payment requirements before authorizing spend.
Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status.
Authorize x402 payments before signing with request-bound, signed safety decisions.
**BLACK_WALL** gives your agent a brake. It exposes a single tool, `forecast`, that the agent calls *before* any irreversible action — sending an email, making a payment, running SQL, deleting data, posting content. It returns: - a **risk score** (0–100) - a **reversibility class** + rollback cost (reversible / recoverable / irreversible) - a **gate**: proceed / confirm / human-required - named **red flags** from 28 documented failure modes (`SQL_NO_WHERE`, `INTENT_MISMATCH`, `CROSS_ENVIRONMENT`, `MASS_RECIPIENT`, `PROMPT_INJECTION_LIKELY`, …) A normal email clears in one call; a `DROP TABLE` on prod comes back **STOP / human-required** — before it runs. The agent can't talk itself into the bad action, because the verdict is a hard gate. **Setup:** paste your BLACK_WALL API key as the `apiKey` parameter. Get one free at https://blackwalltier.com (~100 forecasts/month, no card). A verdict takes ~4–8s. *A BLUETIER product.*
| Run | Era | Modern | ms | Legacy | ms | Versions |
|---|---|---|---|---|---|---|
| 2026-09-13 04:35:29 | Legacy | 200 | 231 | 200 | 218 | 2024-11-05 |
| 2026-09-13 01:33:33 | Legacy | 200 | 151 | 200 | 150 | 2024-11-05 |
| 2026-09-12 23:31:36 | Legacy | 200 | 161 | 200 | 153 | 2024-11-05 |
| 2026-09-12 21:29:15 | Legacy | 200 | 324 | 200 | 358 | 2024-11-05 |
| 2026-09-12 19:27:29 | Legacy | 200 | 182 | 200 | 164 | 2024-11-05 |
| 2026-09-12 17:24:09 | Legacy | 200 | 197 | 200 | 200 | 2024-11-05 |
| 2026-09-12 15:21:42 | Legacy | 200 | 204 | 200 | 203 | 2024-11-05 |
Each block is one measurement round. Green: working response. Amber: responded but the server was returning errors (5xx). Red: no response at all.
Each cell is one probe run. Faded cells are incomplete probes — one leg did not answer, so the era is inconclusive.
The two probe legs separately: modern server/discover and legacy initialize.
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