Build Studio NG

OnFinality API

Development Tools · Blockchain & Crypto

OnFinality is a blockchain infrastructure and node-as-a-service platform specializing in Polkadot, Kusama, and Substrate-based blockchain networks, as well as a growing catalog of EVM-compatible chains. It provides developers with reliable, globally distributed RPC node endpoints and advanced APIs that enable interaction with these blockchain networks without the cost and complexity of running and maintaining nodes independently.

OnFinality API Highlights

OnFinality API is verified for developer integrations in Nigeria and across African markets, providing documented endpoints, sandbox testing, and developer support.

Authentication

API Key

Rate Limit

500K API calls/day on free tier

Sandbox Mode

✗ Not Available

Webhooks

Not verified yet

Supported Regions

Nigeria

Ghana

Kenya

OnFinality API Services

Polkadot Node AccessKusama Node AccessSubstrate ChainsEVM Chains

Alternative African Company to

Stripe Twilio AWS

OnFinality API is best for:

Nigerian blockchain developers needing reliable node API endpoints for Polkadot, Substrate, and EVM-compatible chains without running their own infrastructure.

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API Pricing Model

Free:500K API calls/day
Growth $59/mo:3M/day
Scale $199/mo:10M/day
Enterprise custom

OnFinality API Core Features & Capabilities

Features Included

Polkadot Node Access Kusama Node Access Substrate Chains EVM Chains HTTPS Endpoint WebSocket Endpoint Enhanced APIs SubQuery Indexer

Required Access Documents for OnFinality API

API KeyRequired
Register at onfinality.io to get API key and dedicated endpoint URLs. Free tier available without credit card.

Different OnFinality API use cases

Nigerian Polkadot DApp Development:Nigerian blockchain developers building decentralized applications on Polkadot or Kusama can use OnFinality for reliable node API access sending transactions, querying chain state, and subscribing to events without running their own Substrate node infrastructure.
Nigerian Blockchain Data Indexing:Nigerian blockchain analytics platforms and DApps that need to query historical blockchain data can use OnFinality's SubQuery indexer hosting indexing Substrate and Polkadot chain data into a queryable GraphQL API for their applications.
Nigerian Web3 Startup Multi-Chain Support:Nigerian Web3 startups building multi-chain products that span Polkadot and EVM networks can use OnFinality as a single provider for node access across multiple chains simplifying infrastructure management and billing.

OnFinality API Alternatives