{"uid":"cap_jP-VYYWDQuGtHCJw2QBDC","slug":"invoket-chemical-substance-batch-classification-7fe0f128","name":"Invoket Chemical Substance Batch Classification","description":"The checks your agent runs before it acts: verify a bank account, a phone number, a law in force, the weather or a vehicle — computed from official sources, with provenance in every response. You only pay for answers.","url":"https://api.invoket.com/label/chem/classify/batch","method":"POST","headers":{},"bodySchema":{"type":"object","required":["at","items"],"properties":{"at":{"type":"string","description":"Optional date (YYYY-MM-DD, default today) the whole batch is evaluated at - a BOM is assessed at a single date"},"items":{"type":"array","description":"Array of substance keys screened in one settlement. Its length is priced per unit (base + N x unit), capped at 200; an empty or oversized batch = 400. Each item takes exactly ONE key among cas, ec, name (checksum-validated for cas/ec); a malformed item yields an INVALID_INPUT error at its position without failing the batch"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Yqm-ZYR_El89JraogQgHo","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Batch-classifies chemical substances by CAS number, EC number, or name against regulatory/hazard labels as of a specified date, returning provenance-backed results for each item.","exampleAgentPrompt":"Can you screen these 15 chemicals by their CAS numbers — 67-64-1, 7732-18-5, 71-43-2, and 12 others from our BOM — and tell me their regulatory classification labels as of 2024-06-01?","exampleUseCases":[{"title":"Bill of materials compliance screening","prompt":"I have a list of 50 substances from our product BOM with their CAS numbers — can you classify all of them for regulatory hazard labels as of today and flag any that are restricted?"},{"title":"Chemical name hazard lookup","prompt":"We have chemical names like 'benzene', 'acetone', and 'formaldehyde' — can you batch classify them to see their official hazard or regulatory status as of 2025-01-01?"},{"title":"EC number regulatory verification","prompt":"Before we finalize our supplier order, can you check these EC numbers — 200-753-7, 231-791-2, and 203-625-9 — against the current classification lists to confirm none are restricted substances?"}],"resultDescription":"An object containing per-item classification results for each substance submitted, including regulatory/hazard label, provenance information sourced from official databases, and any per-item INVALID_INPUT errors for malformed identifiers — without failing the rest of the batch.","failureModes":["Batch exceeds 200 items → 400 error","Empty batch submitted → 400 error","Malformed CAS or EC checksum → INVALID_INPUT at that position, rest of batch continues","Unknown substance identifier → no match result for that item","Invalid date format for 'at' field → validation error","Multiple keys provided per item (e.g. both cas and name) → validation error"],"whenToPreferThis":"Choose this endpoint when you need to classify multiple chemical substances in a single API call, especially when working with bills of materials or supplier lists. It is ideal when you need point-in-time regulatory classification (specifying a date) with official provenance. Prefer it over single-item lookups when screening more than one substance to reduce cost and round-trips. Best suited for compliance workflows, pre-procurement checks, and EHS screening pipelines.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:41:35.814Z","isFirstParty":false}