Cigna · GraphQL Specification

Cigna GraphQL Schema

This document describes a conceptual GraphQL schema for Cigna Healthcare, one of the largest global health services companies. Cigna's Developer Portal exposes CMS-mandated FHIR APIs for Patient Access, Provider Directory, Drug Formulary, and Provider Access. This GraphQL schema unifies those capabilities into a single queryable graph covering member management, insurance plans, claims, provider directories, pharmacy benefits, authorizations, and supporting clinical and administrative data.

Documentation Endpoint View on GitHub CMS InteroperabilityDa VinciDrug FormularyFHIRHealth InsuranceHealthcarePatient AccessProvider DirectorySMART on FHIRFortune 100GraphQL

Overview

Cigna GraphQL Schema is a GraphQL API specification published by Cigna on the APIs.io network.

This document describes a conceptual GraphQL schema for Cigna Healthcare, one of the largest global health services companies. Cigna’s Developer Portal exposes CMS-mandated FHIR APIs for Patient Access, Provider Directory, Drug Formulary, and Provider Access. This GraphQL schema unifies those capabilities into a single queryable graph covering member management, insurance plans, claims, provider directories, pharmacy benefits, authorizations, and supporting clinical and administrative data.

Tagged areas include CMS Interoperability, Da Vinci, Drug Formulary, FHIR, and Health Insurance.

Endpoint

Related API Specs

Cigna Bulk Data API (OpenAPI) Cigna Condition API (OpenAPI) Cigna Coverage API (OpenAPI) Cigna Encounter API (OpenAPI) Cigna ExplanationOfBenefit API (OpenAPI) Cigna HealthcareService API (OpenAPI) Cigna InsurancePlan API (OpenAPI) Cigna Location API (OpenAPI) Cigna MedicationKnowledge API (OpenAPI) Cigna MedicationRequest API (OpenAPI) Cigna Observation API (OpenAPI) Cigna Organization API (OpenAPI) Cigna Patient API (OpenAPI) Cigna Practitioner API (OpenAPI) Cigna PractitionerRole API (OpenAPI)
Back to Cigna · All GraphQL Specs · GitHub

Work with this as data

Every GraphQL schema here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for graphql

4 MCP tools reach this
  • find_graphqlBrowse and filter every GraphQL schema in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This GraphQL schema
curl "https://apis.io/api/v1/graphql/cigna-graphql"
All graphql
curl "https://apis.io/api/v1/graphql?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.