Feature
GraphQL API
Single-endpoint query language with client-shaped responses.
35 providers
326 APIs
34 declared variants
A GraphQL schema lets clients request exactly the fields they need in one round trip. Integrators care about over-fetching, schema introspection, and typed client generation.
35 API providers on the APIs.io network offer graphql api. The highest-rated are Medplum, Canvas LMS, New Relic, Healthie, Buildkite.
Providers
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar 4 Complete, well-documented, and agent-ready
MedplumMedplum is an Apache 2.0 open-source, FHIR-native developer platform for shipping clinical software. It bun...Canvas LMSCanvas is the open, AGPLv3-licensed learning management system created and maintained by Instructure, Inc. ...New RelicNew Relic provides observability platform APIs for monitoring, analyzing, and optimizing your entire softwa...HealthieHealthie is a cloud, API-first EHR and practice management platform purpose-built for digital health startu...
Strong 13 Solid coverage with minor gaps
BuildkiteBuildkite is a hybrid CI/CD platform that combines a hosted control plane (pipelines.buildkite.com) with se...CloudflareCloudflare is a global network designed to make everything you connect to the Internet secure, private, fas...TibberTibber is a fully-digital Nordic and European retail electricity provider operating in Norway, Sweden, Germ...Apollo.ioApollo.io is a sales intelligence and go-to-market platform combining a database of 240M+ contacts and 30M+...emnifyemnify is a cloud-native global IoT cellular connectivity provider operating its own mobile core and SuperN...GitHubThe GitHub REST API allows developers to programmatically interact with GitHub resources including reposito...JiraAPIs for Atlassian Jira project management and issue tracking platform.TykTyk is an open-source API gateway and management platform supporting REST, GraphQL, gRPC, and Async APIs wi...AtlassianAtlassian is a software company that develops collaboration, productivity, and project management tools to ...JobberJobber is field service management software for home and commercial service businesses, serving 100,000+ bu...Salesforce AutomationA collection of Salesforce APIs for automating business processes, sales operations, and customer relations...IOTAIOTA is an open-source distributed ledger technology built to bring real-world applications on-chain. It is...Octopus EnergyOctopus Energy is a UK-founded retail energy supplier and the parent of Kraken Technologies, the AI-powered...
Developing 8 Usable, with meaningful gaps to close
HasuraWe've spent years perfecting products that make it effortless to access and use data.PromptQL for AIAccurat...WunderGraphFull Lifecycle API Management for (Federated) GraphQL. Schema Registry, composition checks, analytics, metr...Apollo GraphQLApollo Graph, Inc. — trading publicly as Apollo and Apollo GraphQL — is the San Francisco company behind th...MongoDBMongoDB is a source-available cross-platform document-oriented database program. Classified as a NoSQL data...BigCommerceBigCommerce is a leading e-commerce platform providing APIs for building and managing online stores, produc...commercetoolscommercetools is the leading composable, headless, API-first Commerce platform powering large-scale B2C, B2...LinearLinear is an issue tracking and product development platform for software teams covering Intake, Plan, Buil...WayfairWayfair Inc. is one of the world's largest online destinations for home goods and furniture, serving over 2...
Thin 9 Limited public surface area
BallerinaIntegration problems have been solved by restricted drag-and-drop tools/DSLs or generic programming languag...TurborepoTurborepo is a high-performance build system for JavaScript and TypeScript codebases, built by Vercel and w...APIs.guruAPIs.guru is an open source, community-driven directory of public REST API definitions in OpenAPI 2.0/3.x f...Monday.comAn expressive API to interact with your workflows, automate processes, power integrations, and more!Amazon AppSyncAmazon AppSync creates serverless GraphQL and Pub/Sub APIs that simplify application development through a ...UpworkUpwork is a global freelancing platform that connects businesses with independent professionals through a t...magentoOverview of the Adobe Commerce and Magento Open Source REST API documentation.API DashAPI Dash is a beautiful AI-powered open-source cross-platform API client built with Flutter, available on D...RailwayThe Railway public API is built with GraphQL and is the same API that powers the Railway dashboard, providi...
Emerging 1 Early or largely undocumented
What Providers Actually Declared
This feature is a canonical term. These are the free-text strings
providers wrote in their own apis.yml that map onto it.
API Collections that group GraphQL queries and mutations by feature — accounts, ledgers, billing, smart meters, half-hourly consumption, EV charging, heat pumps, batteries, Octopus ElectroverseAtlas Data API and GraphQL APIBuild GraphQL APIsFirst-party Apollo CLI (Homebrew tap and signed prebuilt binaries) with OAuth loginGraphQL APIGraphQL API (for some products)GraphQL API at /api/graphql with hosted GraphiQL explorer at /graphiqlGraphQL API at api.monday.com/v2GraphQL API at api.{region}.commercetools.com/{project}/graphqlGraphQL API at backboard.railway.com/graphqlGraphQL API at https://api.linear.app/graphql with full introspectionGraphQL API endpoint for shaped queries and mutations across the property-management domainGraphQL API for some productsGraphQL API powering Healthie's own EHR, mobile, and patient portal — same contract for first-party and partnersGraphQL API with interactive GraphiQL IDE for flexible single-request queriesGraphQL Analytics API for traffic, security, Workers analyticsGraphQL Customer APIGraphQL Developer APIGraphQL ExplorerGraphQL Portals for scoped, schema-filtered API accessGraphQL RPCGraphQL Supplier APIGraphQL SupportGraphQL VoyagerGraphQL backendGraphql Federation V1 & V2HTTP and GraphQL SupportMerged APIs for combining multiple GraphQL APIsNerdGraph (GraphQL) API at api.newrelic.com/graphqlREST + GraphQL APIsREST API and GraphQL APIREST API and GraphQL API for repositories, issues, PRs, releases, and ActionsStorefront GraphQL: 60 req/minturbo query — GraphQL queries over monorepo structure
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Work with this as data
Every feature here is available over the APIs.io API and to AI agents over MCP. Features is not yet its own endpoint on the v1 API. Reach it through catalog search and the tag graph, or the MCP server.