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The Graph API

The Graph API allows developers to efficiently query blockchain data using GraphQL, organizing data from Ethereum and Polygon networks into subgraphs for real-time access.

Developed by The Graph Foundation

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99.90%Uptime
180msLatency
13kStars
API KeyAuth
NoCredit Card
GraphQLStyle
v1Version
API Endpoints

Reference for available routes, request structures, and live examples.

Query blockchain data using The Graph

Full Endpoint URL
https://api.thegraph.com/subgraphs/name/uniswap/uniswap-v2
Implementation Example
curl -X POST 'https://api.thegraph.com/subgraphs/name/uniswap/uniswap-v2' \
  -H 'Authorization: Bearer YOUR_API_KEY'
Request Payload
{
  "query": "{ pairs(first: 5) { id token0 { symbol } } }"
}
Expected Response
{
  "data": {
    "pairs": [
      {
        "id": "0x...",
        "token0": {
          "symbol": "ETH"
        }
      }
    ]
  }
}
Version:v1
Limit:100,000 requests/month (free tier)
Real-World Applications
  • DeFi dashboardsOptimized Capability
  • NFT marketplace data retrievalOptimized Capability
  • Blockchain explorersOptimized Capability
  • On‑chain analytics toolsOptimized Capability
  • Real‑time dApp data subscriptionsOptimized Capability
Advantages
  • ✓ Decentralized indexing for resilience
  • ✓ Fast, structured GraphQL querying
  • ✓ Multi‑network support (Ethereum, Polygon, etc.)
  • ✓ Open‑source SDKs and tooling
Limitations
  • ✗ Requires understanding of GraphQL schema
  • ✗ Rate limits may restrict bulk data extraction
  • ✗ Potential latency on lightly indexed subgraphs
  • ✗ Learning curve for subgraph deployment

FAQs

API Specifications

v1
Pricing Model
Tiered (free + paid per additional requests/indexing)
Credit Card
Not Required
Response Formats
JSON
Supported Languages
6 Languages
SDK Support
JavaScript, TypeScript, Go, Python
Time to Hello World

Under 15 minutes (sign up, deploy or pick subgraph, query)

Rate Limit

1000 requests per minute

Free Tier Usage

Up to 100,000 requests per month and 3 subgraphs indexed, no credit card required

Use Case: Best For

Developers building dashboards, explorers, analytics, and dApps with real‑time blockchain data needs

Not Recommended For

Large-scale historical bulk data extraction without paying for higher indexing tiers

Resources

Documentation Official Website Source Code Pricing Details Postman Collection
#graphql#blockchain-indexing#ethereum-queries#the-graph

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