Surf

Surf On Chain API

Query blockchain data directly. Look up transaction details by hash, check gas prices, and run structured or raw SQL queries against indexed blockchain datasets spanning Ethereum, Base, Solana, and more.

GitHub OpenAPI

Operations 8

GET /gateway/v1/onchain/bridge/ranking Bridge Protocol Ranking #
GET /gateway/v1/onchain/dex/activity DEX Protocol Activity #
GET /gateway/v1/onchain/gas-price Current Gas Price #
POST /gateway/v1/onchain/query Blockchain Structured Query #
GET /gateway/v1/onchain/schema On-Chain Table Schema #
POST /gateway/v1/onchain/sql Blockchain SQL Query #
GET /gateway/v1/onchain/tx Transaction Details by Hash #
GET /gateway/v1/onchain/yield/ranking Yield Pool Ranking #

Documentation

📖
Documentation
https://agents.asksurf.ai/docs/data-api/overview

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/surf/refs/heads/main/openapi/surf-on-chain-api-openapi.yml

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OpenAPI Specification

surf-on-chain-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  contact:
    email: backend@cybertinolab.com
    name: Cyber team
  description: Surf data API gateway providing typed endpoints for crypto market data, project analytics, social signals, on-chain queries, and more.
  title: Hermod Onchain API
  version: sha-80d3407
servers:
- url: /
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/surf/refs/heads/main/openapi/surf-on-chain-api-openapi.yml