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

Plan	Price	HTTP req/s	WS msg/s
Free	$0/mo	2	1
Starter	$49/mo	50	25
Growth	$89/mo	150	75
Scale	$149/mo	300	150
Pro	$249/mo	500	250

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.

Osmosis guides from the blog

Osmosis RPC: Querying the Cosmos DEX Where the AMM Is a Chain ModuleOsmosis is the leading Cosmos DEX — a non-EVM Cosmos SDK chain (osmosis-1) on CometBFT. The twist for developers: the AMM isn't a smart contract you eth_call, it's a native chain module you query over Tendermint RPC, REST, or gRPC. Here's how to read pools, prices, and swaps.

Related Cosmos chains

Explore RPC endpoints for other Cosmos networks on SwiftNodes:

Celestia RPC Injective RPC Sei RPC Akash RPC Avail RPC Axelar RPC

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