Feature
gRPC
High-performance binary RPC over HTTP/2.
15 providers
173 APIs
14 declared variants
The API exposes gRPC services with protobuf contracts and HTTP/2 transport. Chosen for low-latency, high-throughput, strongly typed service-to-service communication.
15 API providers on the APIs.io network offer grpc. The highest-rated are NVIDIA NIM, Weaviate, Google Quantum AI, Aptos, Triton One.
Providers
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar 1 Complete, well-documented, and agent-ready
Strong 4 Solid coverage with minor gaps
Weaviate
Weaviate is an open-source, AI-native vector database that enables developers to build semantic search and ...
Google Quantum AI
Google Quantum AI is Google's quantum-computing research and engineering arm, building superconducting quan...
Aptos
Aptos is a Move-based Layer 1 blockchain platform that exposes a REST API for reading on-chain state and su...
Triton One
Triton One is a high-performance Solana RPC and blockchain infrastructure provider operating globally distr...
Developing 6 Usable, with meaningful gaps to close
Grafana
Grafana Labs builds the open and composable observability stack used by millions of engineers to visualize,...
Jito Labs
Jito Labs is the Solana MEV infrastructure company behind Jito-Solana, the MEV-enabled validator client tha...
Ballerina
Integration problems have been solved by restricted drag-and-drop tools/DSLs or generic programming languag...
Apache Dubbo
Apache Dubbo is a high-performance, Java-based open-source RPC framework that provides service discovery, t...
NGINX
NGINX is a high-performance open-source web server, reverse proxy, and API gateway widely used for load bal...
Apache Tomcat
Apache Tomcat is an open-source implementation of the Java Servlet, JavaServer Pages (JSP), Java Expression...
Thin 2 Limited public surface area
Emerging 1 Early or largely undocumented
Minimal 1 Almost no public developer surface
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.
Grafana Synthetic Monitoring — global probe network for HTTP, DNS, TCP, ICMP, scripted browser, gRPCHTTP/2 SupportNVIDIA Riva speech NIMs (Parakeet ASR, Canary translation, Magpie TTS) with HTTP and gRPC adaptersNative Jaeger api_v2 ingest over gRPC (14250) and HTTP (14268) for legacy SDKsProtocol Buffers (protobuf)Quantum Engine REST/gRPC API (quantum.googleapis.com, v1alpha1) for program, job, processor, reservation, and calibration managementREST, GraphQL, and gRPC APIsShredStream gRPC service for sub-slot Solana shred delivery to bots, dApps, and validatorsTriple Protocol (gRPC Compatible)Yellowstone Dragon's Mouth gRPC streaming for slots/blocks/transactions/accounts/blockmetacelestia-app exposes Cosmos SDK gRPC (:9090), REST (:1317), and CometBFT RPC (:26657) for consensus-level queriesgRPC APIgRPC ProxyinggRPC transaction streaming
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