API Reference

API Documentation

Four primitives to power your identity infrastructure. Simple, predictable pricing.

Core API Products

1credit

Eligibility Check

/api/v1/check-eligibility

Instantly check if a user has verified KYC data in the network. Returns a boolean response in milliseconds with zero PII exposure.

REST endpoint
5credits

Risk Assessment

/api/v1/assess-risk

Real-time fraud detection using network-wide signals and device fingerprinting. Powered by integrations with Socure, Veriff, and more.

REST endpoint
10credits

Verifiable Credentials

/api/v1/claim-identity

Issue and verify W3C-compliant credentials for portable identity. Enable your users to prove their verification status anywhere.

REST endpoint
Free

Data Ingestion

/api/v1/ingest

Contribute verified data to the network. Strengthen the ecosystem and unlock network effects that reduce costs for everyone.

REST endpoint

Operation Costs

Eligibility Check1 credits

Basic network lookup

Risk Assessment5 credits

Full fraud analysis

Verifiable Credentials10 credits

Credential issuance

Data IngestionFree

Free to contribute

Getting Started

Start integrating with Circuit in minutes. Our SDKs are available for popular languages and frameworks.