Infura
Infura (now MetaMask Developer) is a Web3 RPC provider operated by ConsenSys/MetaMask offering JSON-RPC and REST APIs for 23+ blockchain networks including Ethereum, Linea, Polygon, Arbitrum, Optimism, Base, Avalanche, BNB, Solana, Starknet, plus IPFS and a Gas API. Backed by the Decentralized Infrastructure Network (DIN) for failover.
Infura publishes 2 APIs on the APIs.io network: JSON-RPC API and Infura (MetaMask Developer) JSON RPC API API. Tagged areas include Web3, Blockchain, RPC, Infrastructure, and MetaMask.
The Infura catalog on APIs.io includes 1 event-driven AsyncAPI specification and 1 Spectral governance ruleset.
Infura’s developer surface includes authentication and 8 more developer resources.
Kin Score
APIs 6
Individual APIs this provider publishes, each with its own machine-readable definition.
Infura JSON-RPC API
Multi-chain JSON-RPC over HTTPS and WebSockets across 23+ networks (Ethereum, Linea, Polygon, Arbitrum, Optimism, Base, Avalanche, BNB, Scroll, Mantle, Blast, Starknet, etc.).
Infura Solana JSON-RPC
Solana JSON-RPC and WebSocket endpoints.
Infura Gas API
REST API for EIP-1559 gas estimation, gas prices, and base-fee history across supported chains.
Infura IPFS API
REST API for pinning and retrieving content on IPFS.
Infura NFT API
REST API for NFT metadata, ownership, and collection data on EVM chains.
Infura Infura (MetaMask Developer) JSON RPC API API
The Infura (MetaMask Developer) JSON RPC API API from Infura — 1 operation(s) for infura (metamask developer) json rpc api.
Open Collections 1
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
Infura (MetaMask Developer) JSON-RPC API
OPEN COLLECTIONPricing Plans 1
Published pricing tiers and plan structures.
Infura Plans Pricing
PLANSRate Limits 1
Documented rate limits and quota policies.
Infura Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Infura Finops
FINOPSEvent Specifications 1
AsyncAPI definitions for this provider's event-driven and streaming APIs.
Infura (MetaMask Developer) WebSocket Subscription API
AsyncAPI specification for Infura's (now MetaMask Developer Services) Ethereum-compatible WebSocket JSON-RPC subscription interface. Infura now defers its Ethereum reference doc...
ASYNCAPISpectral Rules 1
Spectral governance rulesets for linting and validating these APIs.
Infura API Rules
SPECTRALSecurity Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Resources
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 2
Authentication, authorization, and security posture
Operate 1
Status, limits, changes, and where to get help
Commercial 2
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API