{"uid":"cap_DHqMBEvs_zGwt1L4vce-d","slug":"synapse-food-nutrition-lookup-978627df","name":"Synapse Food Nutrition Lookup","description":"Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.","url":"https://anibalb.duckdns.org/x402/food-nutrition?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"code":"0737628064502","brands":"Simply Asia, Thai Kitchen","product_name":"Thai Kitchen Rice Noodles","calories_100g":357,"proteins_100g":7.9,"nutriscore_grade":"c"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_cj8wHsd8xmw985ZiUiMx6","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up nutritional data (calories, proteins, nutriscore) for a food product by barcode or name","exampleAgentPrompt":"What are the nutritional details for Thai Kitchen Rice Noodles — calories, protein, and nutriscore?","exampleUseCases":[{"title":"Barcode scan nutrition check","prompt":"I just scanned the barcode 0737628064502 on this pasta box — can you pull up the calories, protein, and nutriscore grade for me?"},{"title":"Macro tracking for branded food","prompt":"I'm logging my meals and I need the calories and protein per 100g for Simply Asia Thai Kitchen Rice Noodles."},{"title":"Nutriscore comparison for grocery shopping","prompt":"Can you look up the nutriscore grade for Thai Kitchen Rice Noodles so I can decide if it's a healthy choice?"}],"resultDescription":"Returns a JSON object with the product's EAN barcode, brand names, product name, calories per 100g, protein per 100g, and nutriscore grade (letter a–e).","failureModes":["Product not found in database — returns empty or 404-style response","Invalid or unrecognized barcode — no match returned","Missing query parameter — returns schema validation error","Service unavailable or payment failure — 402 or 5xx response"],"whenToPreferThis":"Use this endpoint when you need quick, pay-per-call nutritional lookups for packaged food products without API key setup. Ideal for agents handling meal logging, grocery comparison, or dietary analysis that need calorie, protein, and nutriscore data from a broad food product catalog.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:41:48.053Z","isFirstParty":false,"canonicalSlug":"synapse-food-nutrition-lookup-978627df"}