> ## Documentation Index
> Fetch the complete documentation index at: https://sidiorresearchlabs.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Graph Indexers

> Efficiently query blockchain data with graph indexing.

# Graphs Indexers

A graph indexer allows developers to efficiently query the network for information about transactions, addresses, and
other data stored on the blockchain. This enables developers to build decentralized applications that can access and
display the data in a meaningful way, without having to search through the entire blockchain for each query.

For example, a graph indexer could be used to search for all transactions associated with a particular address or to
find all transactions that include a specific token. This type of indexing can greatly improve the speed and efficiency
of decentralized applications and make it easier for users to access and analyze the data stored on the blockchain.

## List of Graph Indexers

### Mainnet

| Service                                   | Description                                                                                                                                                                                                                                                                                                                                                                                  | Support          | Links & Features                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| ----------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **[Satsuma](https://www.satsuma.xyz/)**   | Subgraph Indexer                                                                                                                                                                                                                                                                                                                                                                             | `evm`            |                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| **Covalent**                              | Provides a Unified API for accessing data from over 100 blockchain networks. Indexing service for all EVM transactions on HyperPaxeer                                                                                                                                                                                                                                                        | `evm`            | <ul><li>Get an [API Key](https://www.covalenthq.com/platform/#/auth/register/)</li><li>[Docs](https://www.covalenthq.com/docs/networks/Paxeer-Network/)</li><li>Cost: Free to use with 100,000 credits to use their API endpoints</li></ul>                                                                                                                                                                                                           |
| **Numia**                                 | Indexes both EVM and Cosmos transactions on HyperPaxeer. Also indexes other chains on the Cosmos ecosystem. The service runs on Google BigQuery and requires users to sign up for their own accounts.                                                                                                                                                                                        | `cosmos` `evm`   | <ul><li>[Get started with GCP instruction](https://docs.numia.xyz/using-numia/getting-started-with-gcp)</li><li>[Pulling Numia Data Image](https://docs.numia.xyz/using-numia/querying-numia-datasets)</li><li>[HyperPaxeer chain](https://docs.numia.xyz/using-numia/chains/Paxeer-Network)</li><li>[Google Cloud](https://cloud.google.com/) provides free trial with ample credits (\$300) to run many queries for at least a few months</li></ul> |
| **[SubQuery](https://subquery.network/)** | A fast, reliable, and decentralised indexer empowering developers to build customised APIs for their web3 projects. Supporting over 100+ networks, get started with our SDK, managed service & decentralised network.                                                                                                                                                                        | `cosmos` + `evm` | <ul><li>[Quick start](https://academy.subquery.network/quickstart/quickstart.html)</li><li>[Managed Services](https://managedservice.subquery.network/)</li><li>[Decentralised Network](https://subquery.network/network)</li></ul>                                                                                                                                                                                                                   |
| **[Envio](https://envio.dev/)**           | Envio is a full-featured data indexing solution that provides application developers with a seamless and efficient way to index and aggregate real-time and historical blockchain data for any EVM. Designed to optimize the user experience, Envio offers automatic code generation, flexible language support, multi-chain data aggregation, and a reliable cost-effective hosted service. | `evm`            | <ul><li>[Quickstart](https://docs.envio.dev/docs/quickstart)</li><li>[Hosted Service](https://docs.envio.dev/docs/hosted-service)</li><li>[Contract Import](https://docs.envio.dev/docs/contract-import)</li></ul>                                                                                                                                                                                                                                    |
| **[Flair](https://docs.flair.dev/)**      | Fast parallelized EVM indexing to your own MongoDB, Postgres, DynamoDB.                                                                                                                                                                                                                                                                                                                      | `evm`            | <ul><li>[Quickstart](https://docs.flair.dev/#getting-started)</li><li>[Examples](https://github.com/flair-sdk/examples)</li></ul>                                                                                                                                                                                                                                                                                                                     |