{"uid":"cap_kswmBMVfqDWUnjzL0olFK","slug":"xynaptic-company-relationship-f64a2dc8","name":"Xynaptic Company Relationship","description":"Xynaptic Company Relationship — the link between two French companies: shared officers, same activity, same city, size comparison. Parameters: ?siren=A&siren=B.","url":"https://api.xynaptic.io/v1/company-relationship?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","additionalProperties":{"type":"string"}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0B5UiZlW3VqBW_olLW9hW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes the relationship between two French companies by SIREN, identifying shared officers, common activity codes, same city presence, and size comparison.","exampleAgentPrompt":"Are the two French companies with SIREN 123456789 and 987654321 connected in any way — do they share officers, operate in the same city, or have the same activity code?","exampleUseCases":[{"title":"Due diligence on supplier overlap","prompt":"I'm vetting two suppliers — SIREN 552032534 and 330592229 — can you check if they share any directors or are linked through common activity or location?"},{"title":"Detecting hidden business affiliations","prompt":"I suspect these two French companies — SIREN 481480465 and 803023556 — might be secretly linked. Can you check if they share officers, the same city, or similar activity codes?"},{"title":"Competitive landscape analysis","prompt":"Are the French companies with SIREN 410272699 and 572037469 related in any meaningful way — same sector, same city, or shared leadership?"}],"resultDescription":"Returns a structured comparison of two French companies including: list of shared officers/directors, whether they share the same NAF/APE activity code, whether they are headquartered in the same city, and a size comparison (employee count, revenue tier). Highlights any relationship indicators that suggest affiliation or connection.","failureModes":["Invalid or non-existent SIREN returns an error or empty result","Missing one or both SIREN parameters returns a 400 bad request","Companies with no registry data may return limited relationship signals","Rate limiting or payment failure (402) if credits are exhausted"],"whenToPreferThis":"Use this endpoint when you need to detect potential affiliations, conflicts of interest, or hidden connections between exactly two French companies identified by SIREN. It is more focused than a general company compare endpoint — it specifically surfaces relationship signals (shared people, activity, geography) rather than just financial metrics side by side.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T12:30:11.391Z","isFirstParty":false,"canonicalSlug":"xynaptic-company-relationship-f64a2dc8"}