{"uid":"cap_wXnJ41NKpz2fJmvp5uVW7","slug":"staging-echo-merit-systems-1f51afd0","name":"Merit Systems Staging Echo Payment Link","description":"Access to protected content","url":"https://staging-echo.merit.systems/api/v1/base/payment-link?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"1","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"unknown","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_N1c1vdQy2rVd4MlF82K8Q","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"1","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves a protected payment link from the Merit Systems staging echo service, gated behind an x402 micropayment","exampleAgentPrompt":"Can you fetch the payment link from the Merit Systems staging echo service for me? I need the protected payment link content returned from their staging API.","exampleUseCases":null,"resultDescription":"Returns protected content — specifically a payment link — from the Merit Systems staging echo endpoint, accessible after the x402 micropayment of $1 USDC is settled.","failureModes":["Payment not authorized or x402 header missing — 402 Payment Required","Invalid or expired payment token — 401 Unauthorized","Staging service unavailable — 503 Service Unavailable","Rate limit exceeded — 429 Too Many Requests","Endpoint not found if staging environment is down — 404 Not Found"],"whenToPreferThis":"Use this endpoint when you specifically need to retrieve a payment link from the Merit Systems staging echo service and are operating in a staging/test environment. Prefer this when testing x402 micropayment-gated content access flows with Merit Systems infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:33:04.702Z","isFirstParty":false,"canonicalSlug":"staging-echo-merit-systems-1f51afd0"}