TransUnion
A global information and insights company providing credit reporting, risk, fraud, and identity solutions. One of the three largest consumer credit bureaus in the United States, serving businesses and consumers across multiple international markets. Its credit and TruValidate decisioning APIs are contract-gated, but its TruContact Trusted Call Solutions business — acquired with Neustar in December 2021 — publishes an open, MIT-licensed OpenAPI for the STIR/SHAKEN call authentication and verification service.
TransUnion publishes 1 API on the APIs.io network: TruContact Trusted Call Solutions (STI-AS / STI-VS). Tagged areas include Financial, Credit Reporting, Risk, Identity, and Fraud.
TransUnion’s developer surface includes authentication, product news, engineering blog, and 21 more developer resources.
Kin Score
APIs 3
Individual APIs this provider publishes, each with its own machine-readable definition.
TransUnion TruContact Trusted Call Solutions (STI-AS / STI-VS)
The STIR/SHAKEN call Authentication Service and Verification Service behind TransUnion TruContact Branded Communications. Nine POST operations sign SIP Identity headers (PASSpor...
TransUnion Global Developer Portal
TransUnion's API products for credit reporting, identity verification, fraud prevention and consumer risk decisioning. Access requires a business agreement with TransUnion and c...
TransUnion TruValidate Device Risk
Device recognition and fraud signals, formerly iovation FraudForce. Mobile SDKs collect a device "blackbox" that is submitted to a risk check from your servers. The API host api...
Open Collections 2
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
3GPP-based Call Authentication APIs
OPEN COLLECTIONSTIR/SHAKEN Authentication & Verification Service APIs
OPEN COLLECTIONPricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Transunion Rate Limits
RATE LIMITSSecurity Posture 3
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Agent Surfaces 2
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 5
Pagination, idempotency, versioning, errors, and events
Build 3
SDKs, sample code, and the tooling you integrate with
Access & Security 4
Authentication, authorization, and security posture
Operate 1
Status, limits, changes, and where to get help
Commercial 1
Pricing, plans, and the legal terms of use
Company 7
The organization behind the API
Scroll for all 7
Other 1
Properties that don't map to a standard resource type