API archive entry · source-reported

Watchdata

Provide simple and reliable API access to Ethereum blockchain

Provider / source website

Documentation & source

Use the provider’s reference for current endpoints, setup, limits and terms.

No separate documentation URL has been confirmed for this record.

Open provider / source ↗

Provider content retains its own terms. This listing does not grant reuse or training rights.

Access at a glance

These are reported access facts. Check the current documentation before integrating.

  • Authentication: API key.
  • HTTPS: reported by the source.
  • Browser access (CORS): Unknown.

Pricing and limits

Current plans, quotas, and rate limits have not been reviewed for this listing. Check the provider’s current terms; no authentication does not necessarily mean free usage.

Documentation and sources

Imported from public-apis/public-apis. A detailed editorial review has not been published yet.

Provider / source reference

public-apis/public-apis · MIT directory metadata

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API key · HTTPS reported · CORS Unknown

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API key · HTTPS reported · CORS Unknown

Nownodes

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

API key · HTTPS reported · CORS Unknown

The Graph

Indexing protocol for querying networks like Ethereum with GraphQL

API key · HTTPS reported · CORS Unknown

Dwellir

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

API key · HTTPS reported · CORS Yes

SwiftNodes

Multi-chain blockchain RPC nodes (Ethereum, Solana and 75+ networks)

API key · HTTPS reported · CORS Yes

Source reference

public-apis/public-apis

This page separates source-reported facts from questions that need live provider verification.