Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Exemplar 1 Complete, well-documented, and agent-ready

Plaid Identity Verification APIPlaid's Identity Verification is part of the Plaid open-finance platform, exposing 5 documented endpoint(s)...68.2

Strong 18 Solid coverage with minor gaps

Network as Code Digital Identity and Anti-Fraud APIsThe identity and anti-fraud product family. Capabilities advertised by the platform configuration are Call ...65.7 Socure Decision APISocure's rule-based decisioning module returns a single deterministic outcome — accept, reject, review, ref...64.3 Socure RiskOS APIRiskOS is Socure's identity and fraud orchestration platform that combines ID+ modules, customer-configured...64.3 Swisscom Business Identity Validator APIREST API that looks up legal entities and their authorised signatories against Swiss federal and cantonal c...63.8 Swisscom Phone Number Validation APITwo-factor authentication API that starts an SMS token validation flow against an MSISDN and then verifies ...63.8 Dwolla Documents APIUpload and retrieve identity-verification documents for Customers and beneficial owners when additional doc...62.6 Dwolla KBA APIKnowledge-Based Authentication (KBA) for Personal Verified Customers whose identity could not be automatica...62.6 Claro Face Match APIBiometric face-match validation against Claro Brasil's own image records, sold as an identity-assurance ste...59.6 Claro Know Your Customer APIKYC Match-style API from Claro Brasil that validates user-supplied identity attributes — phone number, name...59.6 Claro KYC Fill In APIReturns verified customer registration data held by Claro Brasil so that onboarding forms can be pre-popula...59.6 Claro Number Recycling APIDetects whether a Brazilian mobile number has changed owner — the recycling of a disconnected number to a n...59.6 Claro Number Verification APICAMARA-aligned Number Verification API from Claro Brasil — silent verification that a mobile number is the ...59.6 Claro SIM Swap APICAMARA-aligned SIM Swap API from Claro Brasil, exposed through the Claro Insight API marketplace. Returns t...59.6 Claro Tenure APIReports how long a mobile number has been active on the Claro Brasil network and the plan associated with i...59.6 Claro Valida Telefone APIValidates the relationship between a Brazilian CPF (taxpayer identifier) and a mobile number using Claro Br...59.6 Agentcard Identity verification APIVerify a connected user's identity: upload their ID, submit any extra fields we ask for, then show a short ...59.1 Sikoia Identity Verification APIThe Identity Verification API from Sikoia — 3 operation(s) for identity verification.58.3 Trulioo Verifications APINormalized KYC / electronic identity verification API. Submit a Verify request with normalized PersonInfo, ...56.7

Developing 32 Usable, with meaningful gaps to close

Airtel Smart API (legacy)Airtel's original partner developer programme, launched in 2017 and now an unmaintained legacy portal (the ...53.9 Microsoft Entra Verified ID APIMicrosoft Entra Verified ID is a managed verifiable credentials service that enables organizations to issue...52.8 Landmark Order Experience APICompliance ordering API used to place and retrieve Landmark compliance product orders — AML individual and ...52.5 Syniverse Phone Number Verification APISingle-number lookup service that returns the current carrier, line type and status of a phone number so an...52.3 Syniverse Right Party Verification APIA single POST /v2/match operation that returns match scores comparing an end user's asserted identity again...52.3 CAMARA Device Identifier APICAMARA Device Identifier 0.3.0 as certified under GSMA Open Gateway. Retrieves the identifier, type and pse...51.9 CAMARA Know Your Customer Age Verification APICAMARA Know Your Customer Age Verification 0.2.1 as certified under GSMA Open Gateway. Answers whether the ...51.9 CAMARA Know Your Customer Match APICAMARA Know Your Customer Match 0.4.0 as certified under GSMA Open Gateway. Compares customer-supplied iden...51.9 CAMARA Number Verification APICAMARA Number Verification 2.1.0 as certified under GSMA Open Gateway. Verifies that the phone number claim...51.9 CAMARA SIM Swap APICAMARA SIM Swap 2.1.0 as certified under GSMA Open Gateway. Checks whether the SIM associated with a mobile...51.9 ID.me OpenID Connect & OAuth 2.0 APIID.me's OpenID Connect and OAuth 2.0 identity provider. Supports the authorization code flow (with PKCE), r...51.7 ID.me Services APIID.me's REST Services API for orchestrating identity verification: create and manage verifications, verify ...51.7 LSEG World-Check One Passport Check APIGenerate machine-readable zone (MRZ) data for passport verification.51.7 Dotfile APIREST API covering the full business-verification lifecycle: create a case with its companies, individuals a...50.9 Bond Customers & KYC APICreate, retrieve, update, and delete individual consumer customer resources for a brand and run Know-Your-C...49.4 Enigma KYB REST APIREST endpoint for Know Your Business verification. POST a business name, address, website, TIN and/or perso...48.7 Enigma Screen APIREST endpoint for screening persons and organizations against sanctions, PEP and watchlist databases. Accep...48.7 Sumsub APISumsub's REST API provides programmatic access to a full-stack verification platform spanning identity veri...47.8 Remote Identity Verification APIThe Identity Verification API from Remote — 3 operation(s) for identity verification.47.7 TMT Verify APIReal-time verification of a mobile number against mobile network operator data. A single POST returns the r...46.7 Worldpay Identity verification APIEnable identity verification check on a party.46.4 Mastercard Account ValidationThe Mastercard Account Validation API service enables Mastercard customers to check that the supplied name(...46.2 Mastercard ID VerificationIn this digital world, user identity fraud is on the rise due to inadequate digital identity verification m...46.2 China Mobile Internet Capability Open Platform中国移动互联网能力开放平台 at dev.10086.cn is the operator's application-facing capability marketplace, describing itsel...45.1 BoldSign Identity Verification APIThe Identity Verification API from BoldSign — 3 operation(s) for identity verification.45.0 Bird Identity Verification APIVerify the identity of your customers programmatically to enable additional services such as two-factor aut...44.2 Cognito Identity Verification APIREST API for identity verification, KYC, and AML watchlist/PEP screening. JSON:API media type (application/...44.1 Securitize Connect API (Securitize iD)OAuth-based identity API that lets partners add "Log in with Securitize iD" to their own application and, w...43.9 TrueLayer Data APIThe TrueLayer Data API provides access to bank account data including account information, balances, transa...43.6 Keynua APIREST API for creating contracts, sending them to signers over WhatsApp/SMS/email, running biometric identit...42.4 SEON Identity VerificationSEON Identity Verification (IDV) is an AI-powered identity verification product combining document checks, ...42.2 Telefónica Line Tenure APIThe Line Tenure API indicates how long a mobile number has belonged to its current user, providing a fraud ...39.4

Thin 12 Limited public surface area

Telkomsel Identity Verification APINIK/MSISDN pairing, KTP matching, and general ID verification against SIM-registration data.37.9 Prove Identity Verification APIOrdered Pre-Fill verification flow - start, validate, challenge, complete.34.1 Aduna KYC Match APIAduna's aggregated implementation of the CAMARA KYC Match API, comparing customer-supplied identity attribu...34.0 Shufti Pro Verification APIREST API for end-to-end identity verification including document verification, facial biometrics with liven...34.0 Lemonway Onboarding APIREST API for online KYC/KYB onboarding flows, enabling marketplace operators to collect identity verificati...32.4 iDenfy Face Authentication APIThe Face Authentication API from iDenfy — 2 operation(s) for face authentication.30.4 iDenfy Fraud APIThe Fraud API from iDenfy — 5 operation(s) for fraud.30.4 iDenfy Identity Verification APIThe iDenfy Identity Verification (KYC) API provides document verification, selfie checks, and liveness dete...30.4 AU10TIX Identity Verification APIOrchestrates identity verification workflows (the Back Office Server, "BOS"). Creates a verification sessio...30.2 Fideo Verify & Signals APIFideo's real-time REST API for identity verification, fraud risk scoring, and identity intelligence. Two en...27.9 SSA eCBSV Verification APIThe Electronic Consent Based SSN Verification (eCBSV) Service allows financial institutions to verify that ...27.5 Fideo Verify & Signals APIReal-time identity verification (Verify) and modular identity intelligence (Signals) over a shared multi-fi...26.8

Emerging 10 Early or largely undocumented

Klarna Kosma KYC APIKosma KYC layers account ownership and identity verification on top of the Kosma AIS connectivity. It confi...25.2 LexisNexis Risk SolutionsLexisNexis Risk Solutions offers fraud detection, identity verification, and risk orchestration capabilitie...24.3 Banuba Face Liveness SDKBanuba Face Liveness SDK provides anti-spoofing technology that verifies a face is real and present in real...23.7 Authologic AML APIThe Authologic AML API enables Anti-Money Laundering screening combined with identity verification in a sin...23.0 Authologic Identity APIThe Authologic Identity API enables businesses to initiate identity verification processes and receive resu...23.0 SingVerify Number Verify APINetwork-based verification that the mobile number a user declares is the number of the SIM the request is a...19.8 KakaoPay Face Recognition APIREST API providing facial detection and comparison capabilities for identity verification and authenticatio...19.7 Clearview AI Facial Recognition PlatformThe Clearview AI facial recognition platform provides image-based identity matching backed by an indexed co...19.1 Clearview AI Financial ServicesClearview AI markets identity-verification capabilities to regulated financial-services customers for fraud...19.1 Thomson Reuters Risk and Fraud APIRisk and Fraud APIs automate customer onboarding, identity verification, risk assessments, adverse media sc...13.7

Minimal 1 Almost no public developer surface

TIM Know Your Customer - MatchKYC Match API that compares customer-supplied attributes (name, tax ID, date of birth, address) against TIM...8.4

Score breakdown

Frequency

64.6

log-scaled weighted occurrences

Breadth

4.6

spread across providers

Quality lift

45.9

mean composite of providers using it

Cohesion

30.6

strength of nearest seed neighbor

Where this tag comes from

Provider tag146

Api tag74

Openapi tag7

Openapi op tag21

Cohort brief

Auto-generated

The 168 providers in the APIs.io catalog tagged Identity Verification, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers

168

all scored

Mean Kin Score

37.8

+17.1 vs catalog 20.7

Mean Agent Readiness

21.7

+12.0 vs catalog 9.7

Spread

4–71.4

median 40 · σ 17.8

How the 168 split by band

Exemplar 5Strong 27Developing 57Thin 31Emerging 30Minimal 18

Facet averages, against the whole catalog

Facet	This cohort	Catalog	Difference	Scored
Contract Quality	39.3	17.5	+21.8	168
Developer Ergonomics	37.4	17.9	+19.5	168
Operational Transparency	25.9	11.3	+14.6	168
Access Clarity	36.1	22.3	+13.8	168
Discoverability	72.5	60.4	+12.1	168
Contract Governance	12.9	6.4	+6.5	168

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes

Artifact	This cohort	Catalog	Difference
MCP server (any)	40%	16%	+24
MCP server (first-party)	10%	7%	+3
Agent Skills	0%	0%	0
OAuth scopes	23%	9%	+14
Security	98%	88%	+10
Arazzo workflows	6%	2%	+4
Governance rules	14%	13%	+1

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

Top by Kin Score

1 MethodFi 71.4
2 Infobip 71
3 Plaid 68.2
4 8x8 67.1
5 Sift 67
6 Nokia Network as Code 65.7
7 Method Financial 65.6
8 socure 64.3
9 Swisscom 63.8
10 Truora 63.7

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Identity Verification

Providers using this tag (168)

APIs with this tag (74)