PUBLICAPI / API directory

Blockchain
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Listings from all sources in this category. Source listings are not independent verification.

Categories (61)

18 APIs found

blockchain

Bitquery

Onchain GraphQL APIs & DEX APIs

api_keyunknownapi

HTTPS: yes · CORS: yes

github-public-apis

Source listing · not independently checked

blockchain

Blockscout

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

api_keyunknownapi

HTTPS: yes · CORS: no

github-public-apis

Source listing · not independently checked

blockchain

Chainlink

Build hybrid smart contracts with Chainlink

noneunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

blockchain

Chainpoint

Chainpoint is a global network for anchoring data to the Bitcoin blockchain

noneunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

blockchain

ClearTrace

Cross-frontend DEX attribution and execution quality data across Ethereum and L2s

noneunknownapi

HTTPS: yes · CORS: yes

github-public-apis

Source listing · not independently checked

blockchain

Covalent

Multi-blockchain data aggregator platform

api_keyunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

blockchain

Dwellir

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

api_keyunknownapi

HTTPS: yes · CORS: yes

github-public-apis

Source listing · not independently checked

blockchain

Etherscan

Ethereum explorer API

api_keyunknownapi

HTTPS: yes · CORS: yes

github-public-apis

Source listing · not independently checked

blockchain

Get Started with Web3

Bilingual Web3 lessons, glossary search and role-based learning paths

noneunknownapi

HTTPS: yes · CORS: yes

github-public-apis

Source listing · not independently checked

blockchain

Helium

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

noneunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

blockchain

MELEK

Graphene social blockchain (Steem family) with a keyless condenser_api JSON-RPC

noneunknownapi

HTTPS: yes · CORS: yes

github-public-apis

Source listing · not independently checked

blockchain

Nownodes

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

api_keyunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

blockchain

Steem

Blockchain-based blogging and social media website

noneunknownapi

HTTPS: no · CORS: no

github-public-apis

Source listing · not independently checked

blockchain

SwiftNodes

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

api_keyunknownapi

HTTPS: yes · CORS: yes

github-public-apis

Source listing · not independently checked

blockchain

The Graph

Indexing protocol for querying networks like Ethereum with GraphQL

api_keyunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

blockchain

TWZRD Agent Intel

Solana on-chain agent trust scoring via MCP; 4 free tools to score, resolve and verify AI agent wallets

noneunknownapi

HTTPS: yes · CORS: yes

github-public-apis

Source listing · not independently checked

blockchain

Walltime

To retrieve Walltime's market info

noneunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

blockchain

Watchdata

Provide simple and reliable API access to Ethereum blockchain

api_keyunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

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