网络基础设施

Covalent (GoldRush)

索引与数据 API

API · 索引 · 多链

Covalent, delivered as GoldRush, is a unified REST API for historical onchain data across many chains. Builders call it when an application needs normalized balances, transfers, and history without writing a chain-specific indexer.

相关资源

Ponder

Ponder 是一个用于加密货币应用程序的索引框架，当你向产品后端或前端提供新鲜的链上数据时，它强调快速刷新和开发者人体工程学。

rindexer

rindexer 是一个以应用程序为中心的索引器框架，具有 GraphQL 和 Postgres 人体工程学设计，适用于你需要可靠的链到 API 管道而无需定制 ETL 粘合剂的情况。

Envio

Envio 是一个多链索引框架，支持 TypeScript、JavaScript 或 ReScript 处理程序。当你需要跨多个 EVM 链使用由 Postgres 支持的单一 GraphQL API 时，它通过 HyperSync 而不是 RPC 进行同步。

The Graph

The Graph is a decentralized indexing protocol where builders deploy subgraphs and query them over GraphQL. Builders use it to turn contract events into a queryable API without running their own indexer.

Moralis

Moralis offers web3 data APIs together with webhook-first event streams. Builders call its REST endpoints for wallet, token, NFT, and price data on Ethereum mainnet and subscribe to Streams webhooks for events.

Bitquery

Bitquery serves decoded blockchain data across networks through GraphQL, Kafka, and gRPC interfaces. Builders use it when an application needs decoded transactions and events from several chains in one place.