{"uid":"cap_u9gX5ZT-Wo78abdLXXm3G","slug":"food-barcode-facts-food-additive-info-by-e-number-2dbe2892","name":"Food Barcode Facts – Food Additive Info by E-Number","description":"Name and function of a common food additive by E-number (E102, E330, E621 and about 90 more); a reference, not a safety rating.","url":"https://food-barcode.x402tookit.com/additive-info?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"],"type":"string"},"queryParams":{"type":"object","required":["code"],"properties":{"code":{"type":"string","description":"E-number, e.g. E330 or 330"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"code":{"type":["null","string"]},"name":{"type":["null","string"]},"source":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"function":{"type":["null","string"]},"disclaimer":{"type":["null","string"]},"exactMatch":{"type":["boolean","null"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/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_OG9wuJ2FW1oPgjGJkkN1h","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the name, function, and reference summary for a food additive identified by its E-number (e.g. E102, E330, E621).","exampleAgentPrompt":"What is food additive E621 — what's it called and what does it do in food products?","exampleUseCases":[{"title":"Decoding an unfamiliar additive on a label","prompt":"I'm reading the ingredients on a snack and it lists E102 — can you tell me what that additive is called and what function it serves?"},{"title":"Researching a preservative in processed meat","prompt":"I want to know more about E250 that's listed in my ham's ingredients — what is it and what role does it play in food?"},{"title":"Identifying a sweetener by E-number","prompt":"My drink says E951 in the ingredients — can you look up what that additive is and what it's used for?"}],"resultDescription":"Returns a structured record including the E-number code, the common name of the additive, its functional category (e.g. colorant, preservative, emulsifier), a plain-language summary, a verdict field, a source reference, a disclaimer, a flag indicating whether the match was exact, and an asOf timestamp. Does not provide a safety rating.","failureModes":["Unknown or unsupported E-number returns a null or degraded result with exactMatch: false","Missing 'code' query parameter results in a validation error","Malformed E-number format (e.g. letters only, no digits) may return no match","Service outage or payment failure (x402 protocol) may prevent response"],"whenToPreferThis":"Use this endpoint when you need a quick reference lookup for a specific food additive by E-number — to identify its name and function as listed on food packaging. It is a reference tool, not a safety classifier, so prefer it when the goal is informational identification rather than dietary suitability or allergen checking (use sibling endpoints for those).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T13:15:02.251Z","isFirstParty":false,"canonicalSlug":"food-barcode-facts-food-additive-info-by-e-number-2dbe2892"}