Osmosis RPC Endpoint

Fast, flat-rate Osmosis RPC node provider — free tier, no KYC, HTTP & WebSocket.

Osmosis is a Cosmos SDK application chain built as an automated market maker and DeFi hub for the IBC ecosystem. It is non-EVM, using CometBFT (Tendermint) consensus and the OSMO token for governance and fees.

Network: Osmosis
Type: Non-EVM
Slug: osmosis
Native token: OSMO (Osmosis)
Block time: ~5-6 seconds
Finality: Instant single-block finality (CometBFT/Tendermint BFT)
Mainnet: June 19, 2021
Category: Layer 1 appchain (Cosmos SDK DEX)

About Osmosis

Osmosis launched its mainnet on June 19, 2021. It is built with the Cosmos SDK and uses CometBFT (Tendermint) BFT consensus, giving instant single-block finality with block times of roughly 5-6 seconds.

OSMO uses 6 decimals (base denom uosmo). Osmosis specializes in customizable AMM pools and cross-chain swaps over IBC. Tooling includes the Cosmos SDK, CosmJS, and the Osmosis CLI/LCD and Tendermint RPC.

Common Use Cases on Osmosis

  • AMM liquidity pools
  • Cross-chain (IBC) swaps
  • Supercharged/concentrated liquidity
  • Staking and governance
  • Cosmos asset trading

Osmosis Ecosystem

Osmosis is a core Cosmos DEX connected via IBC to chains such as the Cosmos Hub, Celestia, and Injective, with apps like Mars Protocol and Levana deployed in its ecosystem.

HTTP Endpoint

https://rpc.swiftnodes.io/rpc/osmosis?key=YOUR_API_KEY

WebSocket Endpoint

wss://rpc.swiftnodes.io/ws/osmosis?key=YOUR_API_KEY

Quick Start: Connect to Osmosis

cURL

curl -X POST https://rpc.swiftnodes.io/rpc/osmosis?key=YOUR_API_KEY \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"getHealth","id":1}'

Note: Osmosis uses its own RPC methods. Refer to the official Osmosis documentation for available methods.

Bridging to Osmosis

Native cross-chain transfers use IBC; external assets reach Osmosis through bridges such as Axelar and the Squid router.

Features of SwiftNodes for Osmosis

  • Multiple load-balanced upstream nodes for high availability
  • Health-checked every 60 seconds with automatic failover
  • Free tier available — no credit card or KYC required
  • Flat-rate monthly pricing with no per-request fees
  • HTTP and WebSocket support
  • One API key works across all 75+ supported chains, including Osmosis

Rate Limits

PlanPriceHTTP req/sWS msg/s
Free$0/mo21
Starter$49/mo5025
Growth$89/mo15075
Scale$149/mo300150
Pro$249/mo500250

Frequently Asked Questions: Osmosis

Does Osmosis have an EVM chain ID?

No. Osmosis is a non-EVM Cosmos SDK chain and does not use an EVM chain ID. It identifies its network with a Cosmos chain-id string (osmosis-1 for mainnet).

How is Osmosis queried?

Osmosis is queried over CometBFT (Tendermint) RPC and the Cosmos REST/gRPC (LCD) interfaces, typically via CosmJS, rather than Ethereum JSON-RPC.

How many decimals does OSMO have?

OSMO has 6 decimals; the base denomination is uosmo, where 1 OSMO equals 1,000,000 uosmo.

Ready to start building on Osmosis? Connect your wallet and get a free API key in 30 seconds. No email or KYC required.