Feature

Multi-Protocol Support

Several interfaces — REST, GraphQL, gRPC, streaming — on one product.

25 providers 131 APIs 9 declared variants

The provider exposes the same capability over more than one protocol so teams can pick the transport that fits. Reduces the odds of an impedance mismatch with an existing stack.

25 API providers on the APIs.io network offer multi-protocol support. The highest-rated are Dolby.io, GitLab, WSO2, Amazon DataSync, Aptos.

Providers

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Exemplar 1 Complete, well-documented, and agent-ready
Dolby.io Dolby.io (now branded as Dolby OptiView) is Dolby Laboratories' developer platform for media, streaming, co... 6 APIs 70.0
Strong 5 Solid coverage with minor gaps
GitLab GitLab Inc. is an open-core company that develops GitLab, a DevOps software platform for building, securing... 41 APIs 64.6 WSO2 WSO2 API Manager is an open-source API management platform supporting REST, SOAP, and GraphQL with flexible... 8 APIs 64.5 Amazon DataSync AWS DataSync is an online data transfer service that simplifies, automates, and accelerates moving data bet... 1 API 63.1 Aptos Aptos is a Move-based Layer 1 blockchain platform that exposes a REST API for reading on-chain state and su... 4 APIs 62.9 Pinecone With its vector database at the core, Pinecone is the leading knowledge platform for building accurate, sec... 6 APIs 62.8
Developing 11 Usable, with meaningful gaps to close
Apache ActiveMQ Apache ActiveMQ is an open-source, high-performance message broker written in Java, developed by the Apache... 3 APIs 58.9 Fern Fern is an SDK generation and documentation platform designed for the AI era. It transforms OpenAPI, AsyncA... 1 API 58.6 Amazon MQ Amazon MQ is a managed message broker service for Apache ActiveMQ and RabbitMQ that makes it easy to set up... 1 API 58.1 Magic Eden Magic Eden is a multi-chain NFT marketplace and trading platform supporting Solana, Bitcoin (Ordinals and R... 7 APIs 57.3 Ant Media Ant Media Server is a scalable, open-source media server for ultra-low latency live streaming and WebRTC-ba... 1 API 55.6 Apache JMeter Apache JMeter is an open-source Java application designed for load testing functional behavior and measurin... 2 APIs 53.7 Apache APISIX Apache APISIX is a dynamic, real-time, high-performance cloud-native API gateway built on NGINX and etcd, d... 3 APIs 53.5 Apache Guacamole Apache Guacamole is a clientless remote desktop gateway that supports standard protocols like VNC, RDP, and... 2 APIs 51.8 BFE BFE (Beyond Front End) is an open-source layer 7 load balancer developed by Baidu, providing advanced traff... 1 API 47.8 Cerbos Cerbos is an open-core, language-agnostic, scalable authorization platform that decouples access control fr... 6 APIs 47.8 Apache CXF Apache CXF is an open-source Java services framework governed by the Apache Software Foundation that helps ... 1 API 47.3
Thin 5 Limited public surface area
Qdrant Qdrant is a vector similarity search engine that provides a production-ready service with a convenient API ... 1 API 44.3 Apache Thrift Apache Thrift is a software framework for scalable cross-language services development. It provides an inte... 2 APIs 42.8 Wowza Wowza is a Denver, Colorado-based video streaming infrastructure provider that has been simplifying live an... 6 APIs 39.9 Authentik Authentik is an open source identity provider with a comprehensive REST API for managing users, groups, flo... 1 API 37.5 Model Context Protocol (MCP) Model Context Protocol is an open, JSON-RPC 2.0 protocol from Anthropic that standardizes how AI applicatio... 17 APIs 31.3
Emerging 3 Early or largely undocumented
AsyncAPI AsyncAPI is a Linux Foundation project that improves the state of event-driven architectures by providing a... 1 API 28.3 EMC EMC Corporation (now Dell EMC, a division of Dell Technologies) provides enterprise storage, data managemen... 2 APIs 26.3 Collibra Collibra is a data intelligence company providing a cloud-based platform for data governance, cataloging, q... 7 APIs 15.9

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.

Broad Protocol SupportMulti-Protocol SupportMulti-protocol support (S3, Swift, Atmos, HDFS)Multiple TransportsProtocol SupportREST and GraphQL APIsREST and gRPC APIsRunes Protocol SupportWHIP and WHEP protocol support for standards-based publish and playback

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