{"uid":"cap_-jBhaO-KkhMFzK__aNtWo","slug":"rhea-biochemical-reaction-search-69e7dd73","name":"Rhea Biochemical Reaction Search","description":"Search the Rhea expert-curated database of biochemical reactions by keyword {q}. Query: ?q= Returns JSON.","url":"https://clonecho.builda.company/x402/s/rhea-reaction-search","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_mT6p6UstJICA2MIBtsoJr","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Search the Rhea expert-curated database of biochemical reactions by keyword query","exampleAgentPrompt":"Can you search the Rhea biochemical reactions database for reactions involving pyruvate? I want to see what enzyme-curated reactions are listed for it.","exampleUseCases":null,"resultDescription":"A JSON array or object containing matching biochemical reactions from the Rhea expert-curated database, including reaction identifiers, names, participants (substrates and products), and associated metadata for each reaction matching the keyword query.","failureModes":["Empty result set if keyword matches no reactions in the Rhea database","Missing or empty q parameter returns error or all/no results","Network timeout for very broad queries returning large result sets","HTTP 402 payment required if USDC payment not provided","Malformed query string causing parse error"],"whenToPreferThis":"Use this endpoint when you need to look up expert-curated biochemical reactions by keyword — especially for metabolite names, enzyme names, or compound names — and need structured, authoritative data from the Rhea database. Prefer over general web search when you need machine-readable biochemical reaction data with standardized identifiers.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:21:50.373Z","isFirstParty":false}