freeapis

Nownodes

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

Authentication
API Key
HTTPS
Yes
CORS
Unknown
Category
Blockchain
Data source
public-apis + marcelscruz
Documentation / URL
https://nownodes.io/

Overview

Nownodes provides blockchain node access — key-based (a missing key returns 401, verified).

Quick Start

Ethereum (replace YOUR_KEY):

curl "https://eth.nownodes.io/YOUR_KEY" \
  -X POST -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}'

Authentication

  • Register at nownodes.io → API key.
  • Put it in the path (missing → 401, verified).

Rate Limits & Notes

  • Free tier with limits (check the docs); paid plans scale.
  • Multi-chain nodes.

FAQ

Is Nownodes free? Free tier with limits; more is paid.

Why 401? An API key is required (verified).

What’s the auth style? Key in the path.

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