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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