Toucan Documentation
  • 🌱Introduction
    • Welcome to Toucan
    • Legal Disclaimer
  • 🌏Toucan
    • Bridging
      • Puro Carbon Bridge
        • Tokenization
        • Detokenization
    • Carbon Pools
      • How a Carbon Pool Works
      • Benefits of Pools
      • CHAR Carbon Pool
      • How to Buy CHAR
      • Deposits and Redemptions
    • Carbon Retirements
  • 🌿RESOURCES
    • Web3 concepts
    • Carbon markets
      • Carbon credits
    • Frequently asked questions
      • How do I use the Carbon Bridge?
      • How can one carbon pool token, like CHAR, represent one tonne of carbon?
      • Can I retire carbon pool tokens, like CHAR, to offset my emissions?
      • Where can I find the addresses of CHAR or other contracts?
      • How long does it take to bridge carbon credits?
      • What happens to a pool token if it is bridged to another network?
      • FAQ for transition to Open Source
    • Archives
      • Verra Bridge [Deprecated]
      • Pool Acceptance Criteria: NCT, BCT
      • NCT Pool Report
    • Audits
  • 💻Developers
    • Toucan for developers
    • Smart contracts
      • Carbon pool contracts
      • TCO2 contracts
      • Retirement certificates
      • OffsetHelper
    • Subgraphs
    • Toucan SDK
      • Quickstart
      • Contract interactions
      • Subgraph interactions
    • Tools + examples
      • Integration examples
      • Testnet faucets
      • Dune dashboard
    • Developer support
      • Error codes
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  1. Developers

Subgraphs

PreviousOffsetHelperNextToucan SDK

Last updated 6 months ago

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API endpoints

Below are the URLs for our , providing endpoints for querying Toucan infrastructure and ecosystem data on various networks. Please replace [api-key] in each URL with your Graph API key, which you can generate at after creating an account.

Network
URL

Base

https://gateway-arbitrum.network.thegraph.com/api/[api-key]/subgraphs/id/AEJ5PEDye6Z198HRQBioG6mZ6ZacHenBg2HTopZPsUCi

Base Sepolia

https://gateway-arbitrum.network.thegraph.com/api/[api-key]/subgraphs/id/2oKCq3rDwdYPSao4UbDZKSNbawEdhBVf3BxmqJzFe1uj

Matic

https://gateway-arbitrum.network.thegraph.com/api/[api-key]/subgraphs/id/FU5APMSSCqcRy9jy56aXJiGV3PQmFQHg2tzukvSJBgwW

Amoy

https://gateway-arbitrum.network.thegraph.com/api/[api-key]/subgraphs/id/FKzFZuYHxyHiiDmdW9Qvwtet1Ad1ERsvjWMhhqd9V8pk

Celo

https://gateway-arbitrum.network.thegraph.com/api/[api-key]/subgraphs/id/BWmN569zDopYXp3nzDukJsGDHqRstYAFULFPH8rxyVBk

Celo Alfajores

https://gateway-arbitrum.network.thegraph.com/api/[api-key]/subgraphs/id/4uY2L3vQW8XKYPrFFk4i6ZuJkgbpJ8SbJayc8wzMBRYw

Playground

Network
URL

Base

Base Sepolia

Matic

Amoy

Celo

Celo Alfajores

💻
Subgraphs
https://thegraph.com/studio/apikeys/
https://thegraph.com/explorer/subgraphs/AEJ5PEDye6Z198HRQBioG6mZ6ZacHenBg2HTopZPsUCi?view=Query&chain=arbitrum-one
https://thegraph.com/explorer/subgraphs/2oKCq3rDwdYPSao4UbDZKSNbawEdhBVf3BxmqJzFe1uj?view=Query&chain=arbitrum-one
https://thegraph.com/explorer/subgraphs/FU5APMSSCqcRy9jy56aXJiGV3PQmFQHg2tzukvSJBgwW?view=Query&chain=arbitrum-one
https://thegraph.com/explorer/subgraphs/FKzFZuYHxyHiiDmdW9Qvwtet1Ad1ERsvjWMhhqd9V8pk?view=Query&chain=arbitrum-one
https://thegraph.com/explorer/subgraphs/BWmN569zDopYXp3nzDukJsGDHqRstYAFULFPH8rxyVBk?view=Query&chain=arbitrum-one
https://thegraph.com/explorer/subgraphs/4uY2L3vQW8XKYPrFFk4i6ZuJkgbpJ8SbJayc8wzMBRYw?view=Query&chain=arbitrum-one