{"slug":"middesk","name":"Middesk","domain":null,"verdict":"As of 2026-08-09, Claude, Gemini collectively rank Middesk first for kyb apis for onboarding small businesses. Source: https://modelsagree.com/product/middesk (modelsagree.com, CC BY 4.0).","best_rank":1,"categories":1,"entries":[{"slug":"best-kyb-apis-for-onboarding-small-businesses","title":"Best KYB APIs for onboarding small businesses","rank":1,"of":6,"score":10,"appearances":2,"modelRanks":{"Claude":1,"Gemini":1},"reason":"Purpose-built US KYB with direct Secretary of State registration data, IRS TIN matching, watchlist/adverse-media screening, and beneficial-ownership resolution; fast API, strong developer experience, and the de facto choice for fintechs onboarding US SMBs because it verifies thin-file small businesses better than generic identity vendors.","reasons":[{"model":"Claude","reason":"Purpose-built US KYB with direct Secretary of State registration data, IRS TIN matching, watchlist/adverse-media screening, and beneficial-ownership resolution; fast API, strong developer experience, and the de facto choice for fintechs onboarding US SMBs because it verifies thin-file small businesses better than generic identity vendors."},{"model":"Gemini","reason":"Unmatched depth and automation for US small business verification, offering direct integrations with all 50 Secretary of State offices and the IRS for automated TIN/EIN matching, good standing checks, and continuous monitoring. Assumes the primary onboarding footprint is US-based SMBs, achieving 70%+ instant approval rates with minimal manual review. Flagged near-tie with Sumsub for top rank, but edges it out for US-centric SMB onboarding efficiency."}],"fixes":[{"model":"Claude","fix":"US-centric — international coverage is shallow, so cross-border onboarding needs a second provider."},{"model":"Gemini","fix":"Strictly limited to US business entities and lacks native consumer identity verification (KYC), making it unfit for platforms needing international SMB coverage or a single vendor for business and founder verification."}],"updated":"2026-08-09","api":"https://modelsagree.com/api/v1/best/best-kyb-apis-for-onboarding-small-businesses.json"}],"page":"https://modelsagree.com/product/middesk","check":"https://modelsagree.com/check?q=Middesk","updated":"2026-08-10T18:18:45.051Z","attribution":"modelsagree.com, CC BY 4.0"}