{"uid":"cap_-QHCu4XqE6EDQQ607uglB","slug":"sirenic-lookalike-prospection-a7ab62d9","name":"Sirenic Lookalike Prospection","description":"Find French companies that look like your best customers: give 2 to 5 customer SIRENs (?exemples=), optionally a region or departement, and get the first page of 100 active legal persons matching the profile deduced from them (NAF codes, workforce brackets, legal forms, creation dates, area), customers excluded, with the exact total. Under 50 results the profile widens one step at a time, each step stated; it is served as criteria to read the next pages.","url":"https://api.sirenic.eu/v1/prospection/sosies?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":["exemples"],"properties":{"region":{"type":"string","description":"Optional INSEE region code (84), exclusive with departement: the area of the results, never widened."},"exemples":{"type":"string","description":"2 to 5 distinct customer SIRENs (9 digits, valid Luhn key), comma-separated: the profile is deduced from them, and they are excluded from the results."},"departement":{"type":"string","description":"Optional departement code (69, 2A, 971), exclusive with region: the area of the results, never widened."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"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_ZmqX9AsEhur_FVGKKD0Cq","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":"Given 2–5 reference French company SIRENs, returns up to 100 active French legal entities that match the inferred customer profile (NAF codes, workforce size, legal form, creation date, region), excluding the input companies.","exampleAgentPrompt":"Find me French companies that look like my best customers — their SIRENs are 552032534, 775726417, and 542107651 — focusing on the Île-de-France region (code 11).","exampleUseCases":[{"title":"Regional B2B pipeline expansion","prompt":"I want to grow my sales pipeline in Brittany — here are three of my best existing customer SIRENs: 552032534, 775726417, 542107651. Can you find active French companies in departement 35 that look like them?"},{"title":"National lookalike prospecting from top accounts","prompt":"Pull me a list of 100 French companies that match the profile of these five SIRENs: 552032534, 775726417, 542107651, 310877500, 403080831 — no geographic filter, just nationwide active companies similar to our ideal customers."},{"title":"Sector-targeted lead generation in a region","prompt":"We sell to mid-sized manufacturers and our top clients have SIRENs 552032534 and 775726417. Can you find companies in region 84 that fit the same profile so we can reach out to them?"}],"resultDescription":"Returns the first page of up to 100 active French legal entities whose NAF codes, workforce brackets, legal forms, creation dates, and geographic area match the profile inferred from the provided example SIRENs. The response includes the exact total count of matches, the profile criteria used, and pagination criteria for fetching subsequent pages. When fewer than 50 results are found, the profile is automatically widened step by step, with each relaxation step clearly stated.","failureModes":["Fewer than 2 or more than 5 SIRENs provided — request rejected","Invalid SIREN format (non-9-digit or failing Luhn check) — validation error","Both region and departement specified simultaneously — mutually exclusive parameters","No matching companies found even after full profile widening — empty result set","Invalid INSEE region or departement code — lookup fails"],"whenToPreferThis":"Use this endpoint when you need to generate a B2B prospect list of French companies that resemble a known set of 2–5 good customers, and you want the profiling (NAF codes, workforce brackets, legal forms) done automatically rather than specifying criteria manually. Prefer it over generic company search endpoints when lookalike / ideal customer profile (ICP) matching is the goal and you have existing customer SIRENs to anchor from.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T18:53:43.781Z","isFirstParty":false,"canonicalSlug":"sirenic-lookalike-prospection-a7ab62d9"}