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Celo RPC Endpoint and API

Celo is the carbon-negative, mobile-first, EVM-compatible blockchain ecosystem

Use OnFinality for Celo RPC endpoints, Celo API access, and production Web3 infrastructure. OnFinality supports teams looking for reliable Celo RPC providers and scalable endpoints for wallets, dApps, payments, and backend services.

Chain ID42220
CurrencyCELO
Create a free API key for 400,000 response units per day and up to 40 response units/second. Method weights apply.

Public endpoint rate limit: 5 req/sec

Quick Start
curl -H 'Content-Type: application/json' -d '{"id":1,"jsonrpc":"2.0","method":"eth_blockNumber"}' 'https://celo.api.onfinality.io/public'
curl -H 'Content-Type: application/json' -d '{"id":1,"jsonrpc":"2.0","method":"eth_blockNumber"}' 'https://celo.api.onfinality.io/public'
HTTPs
https://celo.api.onfinality.io/public
https://celo.api.onfinality.io/public
GET CONNECTED

Connect to Celo

Connect mobile wallets and stablecoin payments to Celo with OnFinality RPC. Read balances, submit transactions and follow contract events via managed APIs.

Try the public interface

First request
curl 'https://celo.api.onfinality.io/public' \
  -H 'Content-Type: application/json' \
  --data '{"id":1,"jsonrpc":"2.0","method":"eth_blockNumber"}'

Use the interface and request shown above for an initial check, then test the methods and traffic pattern your application actually needs.

02

Create your own access

  1. Open the dashboard and select this network.
  2. Create an endpoint and copy the access details supplied by the dashboard.
  3. Validate your application's methods, peak traffic and error handling before production.
Create an RPC endpoint for Celo
RPC API

RPC API plans & response units

Choose a shared RPC plan by response-unit allowance and peak throughput. Method weights and network-specific availability still apply.

Developer

Free
Included response units
400,000/day
Rate limit
Up to 40 RU/s
Extra RU
Not available

Accelerate

$249/month
Included response units
100 million/month
Rate limit
500 RU/s
Extra RU
$3.75/million
Compare RPC plans

Plan figures checked 8 November 2026. RU are not always raw requests; WebSocket responses also count toward limits. Check the current pricing and this network's method documentation. Node charges and applicable taxes are additional.

NETWORK REFERENCE

Celo service details

NetworkCAPABILITIES
NetworkCelo
Protocolethereum
Chain ID42220
Native tokenCELO
Transportshttp
API capabilitiesArchive
BUILT FOR YOUR WORKLOAD

Build with Celo

Plan access around the requests, operational requirements and release workflow your application needs.

Integration

Start with a connection check, then validate the reads, transactions or data workflows required by your application.

Usage planning

Review method-specific limits, plan allowances and usage before increasing traffic. Different methods can consume different response units.

Operations

Use your real client region and request pattern when evaluating latency, retries and service availability.

Never Worry about Infrastructure Again

OnFinality takes away the heavy lifting of DevOps so you can build smarter and faster.

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