The GlueX Exchange Rates API offers a streamlined interface to access accurate, rea -time market data directly from decentralized sources. This section details the core endpoints you’ll utilize to query token prices, retrieve lists of supported blockchains and fetch comprehensive token metadata
The POST / endpoint is your primary tool for fetching real time exchange rates for specific token pairs, supporting batch requests for efficiency

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POST /

Returns real time exchange rates for one or more token pairs across specified blockchains. This is the primary endpoint for fetching price data Description
  • Provides the current exchange rate (price) for requested token pairs
  • Supports batch requests, allowing you to query up to 25 pairs in a single API call for optimized performance
  • Requires domestic_blockchain, domestic_token, foreign_blockchain and foreign_token for each pair
Example Request 
POST /
x-api-key: your-optional-api-key
Content-Type: application/json
Request Body (Example) 
[
  {
    "domestic_blockchain": "ethereum",
    "domestic_token": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
    "foreign_blockchain": "ethereum",
    "foreign_token": "0xdac17f958d2ee523a2206206994597c13d831ec7"
  },
  {
    "domestic_blockchain": "polygon",
    "domestic_token": "0x2791bca1f2de4661ed88a30c99a7a9229f6476ed",
    "foreign_blockchain": "polygon",
    "foreign_token": "0x7ceb23fd6bc0add59e62ac25578270cff1b9f619"
  }
]
Response 
[
  {
    "domestic_blockchain": "ethereum",
    "domestic_token": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
    "foreign_blockchain": "ethereum",
    "foreign_token": "0xdac17f958d2ee523a2206206994597c13d831ec7",
    "price": 0.99987654
  },
  {
    "domestic_blockchain": "polygon",
    "domestic_token": "0x2791bca1f2de4661ed88a30c99a7a9229f6476ed",
    "foreign_blockchain": "polygon",
    "foreign_token": "0x7ceb23fd6bc0add59e62ac25578270cff1b9f619",
    "price": 0.00032109
  }
]
Error Responses
  • 400 Bad Request: Invalid request payload (eg: missing required fields, malformed JSON)
  • 500 Server Error: An unexpected error occurred on the server