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OpenParablePublic APIs

Nownodes API

API keyHTTPSBlockchain
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Overview

Blockchain-as-a-service solution that provides high-quality connection via API

Nownodes is a blockchain API. Requests are authenticated with an API key. It is served over HTTPS.

At a glance

Authentication
API key
HTTPS
Yes
CORS
Unknown
Category
Blockchain

Questions

Does the Nownodes API need an API key?

Yes. The Nownodes API uses API key authentication; the documentation explains how to get credentials.

Does the Nownodes API support HTTPS?

Yes, the Nownodes API is served over HTTPS.

What are alternatives to the Nownodes API?

Other Blockchain APIs include Blockscout, Etherscan, Chainlink, Helium, Dwellir.

Compare alternatives →

Blockscout

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Multichain block explorer REST API (with Etherscan-compatible JSON-RPC)

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Etherscan

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Ethereum explorer API

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Chainlink

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Build hybrid smart contracts with Chainlink

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Helium

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Helium is a global, distributed network of Hotspots that create public, long-range wireless coverage

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Dwellir

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RPC endpoints for 150+ blockchain networks, including Ethereum, Solana, Polkadot and Hyperliquid

API keyCORS

The Graph

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Indexing protocol for querying networks like Ethereum with GraphQL

API key

Listed from public-apis (MIT), public-apis database (MIT).