# The Graph Docs

The Graph is a blockchain data solution that powers applications, analytics, and AI on 60+ chains. The Graph's core products include Subgraphs for indexing smart contracts and Substreams for real-time and historical data streaming.

[See all 56 networks](/content/docs/en/supported-networks/index.html)

## The Graph's Products

Choose a solution that fits your needs—interact with blockchain data your way.

### Subgraphs

Extract, process, and query blockchain data with open APIs.

[Develop a subgraph](/content/docs/en/subgraphs/quick-start/index.html)

### Substreams

Fetch and consume blockchain data with parallel execution.

[Develop with Substreams](/content/docs/en/substreams/quick-start/index.html)

### Graph Node

Index blockchain data and serve it via GraphQL queries.

[Set up a local Graph Node](/content/docs/en/indexing/tooling/graph-node/index.html)

### Firehose

Extract blockchain data into flat files to speed sync times.

[Get started with Firehose](/content/docs/en/indexing/tooling/firehose/index.html)

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## Supported Networks

The Graph supports [60+ networks](/content/docs/en/supported-networks/index.html). To add a new network, [complete this form](/content/docs/info@thegraph.foundation)

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## Guides

[10min\
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**Find Data in Graph Explorer** \ 
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Leverage hundreds of public subgraphs for existing blockchain data.](/content/docs/en/subgraphs/explorer/index.html)

[3min\
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**Publish a Subgraph** \ 
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Add your subgraph to the decentralized network.](/content/docs/en/subgraphs/developing/publishing/publishing-a-subgraph/index.html)

[3min\
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**Publish Substreams** \ 
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Launch your Substreams package to the Substreams Registry.](/content/docs/en/substreams/publishing/index.html)

[9min\
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**Querying Best Practices** \ 
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Optimize your subgraph queries for faster, better results.](/content/docs/en/subgraphs/querying/best-practices/index.html)

[4min\
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**Optimized Timeseries & Aggregations** \ 
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Streamline your subgraph for efficiency.](/content/docs/en/subgraphs/cookbook/timeseries/index.html)

[2min\
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**API Key Management** \ 
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Easily create, manage, and secure API keys for your subgraphs.](/content/docs/en/subgraphs/querying/managing-api-keys/index.html)

[3min\
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**Transfer to The Graph** \ 
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Seamlessly upgrade your subgraph from any platform.](/content/docs/en/subgraphs/cookbook/transfer-to-the-graph/index.html)

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## Video Tutorials

[⁠Watch on YouTubeYouTube⁠](https://www.youtube.com/@GraphProtocol)

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**The Graph Explained In 1 Minute** \ 
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Learn how and why The Graph is the backbone of web3 in this short, non-technical video.\ 
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1min](https://www.youtube.com/watch?v=hn-sJUpZ_aM)

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**What is Delegating?** \ 
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This video explains key concepts to understand before delegating, a form of staking that helps secure The Graph.\ 
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4min](https://www.youtube.com/watch?v=VACg8bitnVc)