---
# System prepended metadata

title: Gitcoin OSS Rounds Historical Data Access

---

Sample [Indexer](https://grants-stack-indexer-v2.gitcoin.co/graphiql) Query
```
{
  round(chainId: 1, id: "0x12bb5bbbfe596dbc489d209299b8302c3300fa40") {
    id
    matchAmountInUsd
    uniqueDonorsCount
    totalAmountDonatedInUsd
    donations {
      donorAddress
      amountInUsd
    }
  }
}
```
Take care that the roundId is a hash/address for older Allo v1 rounds, and an int for Allo v2.

GG20
* Network: Arbitrum (chainId 42161)
    * [`dApps & Apps`](https://explorer.gitcoin.co/#/round/42161/25)
        * roundId `25`
    * [`Web3 Infrastructure`](https://explorer.gitcoin.co/#/round/42161/26)
        * roundId `26`
    * [`Developer Tooling and Libraries`](https://explorer.gitcoin.co/#/round/42161/27)
        * roundId `27`

GG19
* Network: PGN (chainId 424, defunct)
    * [`Web3 Community and Education`](https://explorer.gitcoin.co/#/round/424/0x98720dd1925d34a2453ebc1f91c9d48e7e89ec29) (explorer link broken)
        * roundId `0x98720dd1925d34a2453ebc1f91c9d48e7e89ec29`
    * [`Web3 Open Source Software`](https://explorer.gitcoin.co/#/round/424/0xd4cc0dd193c7dc1d665ae244ce12d7fab337a008) (explorer link broken)
        * roundId `0xd4cc0dd193c7dc1d665ae244ce12d7fab337a008`
* Network: Polygon (chainId 137)
    *  [`Ethereum Infrastructure`](https://explorer.gitcoin.co/#/round/137/0xa1d52f9b5339792651861329a046dd912761e9a9)
        * roundId `0xa1d52f9b5339792651861329a046dd912761e9a9`

GG18
* Network: Optimism (chainId 10)
    * [`Web3 Community and Education`](https://explorer.gitcoin.co/#/round/10/0x2871742b184633f8dc8546c6301cbc209945033e9)
        * roundId `0x2871742b184633f8dc8546c6301cbc209945033e9`
    * [`Web3 Open Source Software`](https://explorer.gitcoin.co/#/round/10/0x8de918f0163b2021839a8d84954dd7e8e151326d)
        * roundId `0x8de918f0163b2021839a8d84954dd7e8e151326d`
* Network: PGN (chainId 424, defunct)
    *  [`Ethereum Infrastructure`](https://explorer.gitcoin.co/#/round/424/0x222ea76664ed77d18d4416d2b2e77937b76f0a35) (explorer link broken)
        * roundId `0x222ea76664ed77d18d4416d2b2e77937b76f0a35`

Gitcoin Beta Rounds
* Network: Ethereum (chainId 1)
    * [`Web3 Community and Education`](https://explorer.gitcoin.co/#/round/1/0xaa40e2e5c8df03d792a52b5458959c320f86ca18)
        * roundId `0xaa40e2e5c8df03d792a52b5458959c320f86ca18`
    * [`Web3 Open Source Software`](explorer.gitcoin.co/#/round/1/0x12bb5bbbfe596dbc489d209299b8302c3300fa40)
        * roundId `0x12bb5bbbfe596dbc489d209299b8302c3300fa40`
    *  [`Ethereum Infrastructure`](https://explorer.gitcoin.co/#/round/1/0xdf22a2c8f6ba9376ff17ee13e6154b784ee92094)
        * roundId `0xdf22a2c8f6ba9376ff17ee13e6154b784ee92094`

Sources: "Grants Stack Official Rounds" https://docs.google.com/spreadsheets/d/1EIvwpxs4TjRtruavAb7CH1ogBHv0LLv-pXVhn2HSfpE/edit#gid=0