Zelis
Zelis is a healthcare financial technology company that modernizes the business of healthcare by connecting payers, providers, and members through a connected platform for claims cost management, electronic payments, and member and provider communications. Its solutions span network analytics and optimization, claims pricing, editing and payment integrity, electronic provider payments (including the ZAPP platform), member engagement, price transparency and Transparency in Coverage compliance, and provider directory data. Zelis exposes these capabilities to partners through a public developer portal and API marketplace, where integrators can register for OAuth2 client-credential access to a catalog of claims, ID card, provider directory, enrollment, payments, and member-engagement communication APIs. The company serves 725+ payers and processes payments to hundreds of thousands of healthcare providers.
Zelis publishes 1 API on the APIs.io network. Tagged areas include Company, Healthcare, Healthcare Payments, Claims, and Payments.
Zelis’ developer surface includes documentation, API reference, getting-started guide, signup flow, pricing, support, engineering blog, and 9 more developer resources.
Kin Score
APIs 1
Individual APIs this provider publishes, each with its own machine-readable definition.
Zelis API
Zelis' partner-facing API platform, published through the Zelis developer portal and API marketplace. The catalog spans claims document search and viewing, member ID card search...
Security Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Get Started 3
Portal, sign-up, and the first successful call
Documentation 2
Reference material describing how the API behaves
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 2
Pagination, idempotency, versioning, errors, and events
Access & Security 2
Authentication, authorization, and security posture
Operate 1
Status, limits, changes, and where to get help
Commercial 3
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API