Blockchain
Helium
Helium is a global, distributed network of Hotspots that create public, long-range wireless coverage
No authHTTPSCORS ?
Blockchain
Nownodes
Blockchain-as-a-service solution that provides high-quality connection via API.
Nownodes API is a free Blockchain API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.
- Authentication
- apiKey
- HTTPS
- Yes
- CORS
- Unknown
- Category
- Blockchain
Visit documentation ↗nownodes.io
About NOWNodes
Access to blockchain nodes for +120 networks and everything you need for Web3 development — WebSocket, Webhooks, JSON-RPC, gRPC, and Data API. 99.95% uptime.
- Provider
- NOWNodes
- Website
- nownodes.io ↗
Details from nownodes.io.
Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
Get your free API key→Free tier on every API
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No authNo HTTPSNo CORS
No authHTTPSCORS
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Nownodes API FAQ
Who provides the Nownodes API?
The Nownodes API is provided by NOWNodes (nownodes.io). Access to blockchain nodes for +120 networks and everything you need for Web3 development — WebSocket, Webhooks, JSON-RPC, gRPC, and Data API. 99.95% uptime.
Is the Nownodes API free?
Yes. The Nownodes API is listed in the Blockchain category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Does the Nownodes API require an API key?
Yes. The Nownodes API uses apiKey authentication, so you need to register for credentials before making requests.
Can I call the Nownodes API from the browser?
CORS support for the Nownodes API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Does the Nownodes API support HTTPS?
Yes. The Nownodes API is served over HTTPS, so it's safe to use in production.