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

# Oracles

Blockchain oracles are essential middleware that allow smart contracts to access external data and systems that exist outside the blockchain. They act as a secure bridge between blockchains and external sources, enabling smart contracts to use data that primarily exists off-chain.

## Api3

[Api3](https://api3.org/) provides 200+ push-based data feeds on World Chain.

You can enable any of Api3's data feeds on World Chain using the [Api3 Market](https://market.api3.org/world). Find the Api3 Market documentation [here](https://docs.api3.org/dapps/integration/).

### Supported networks

* World Chain

## Chainlink Data Streams

[Chainlink Data Streams](https://chain.link/) delivers low-latency market data offchain, which you can verify onchain.

You can find documentation for Chainlink Data Streams Direct [here](https://docs.chain.link/data-streams/streams-direct).

### Supported networks

* World Chain

## Pyth

[Pyth](https://www.pyth.network/) provides 1300+ pull-based price feeds on World Chain.

You can find documentation for Pyth Price Feeds [here](https://docs.pyth.network/price-feeds).

### Supported networks

* World Chain
* World Chain Sepolia

## RedStone

[RedStone](https://www.redstone.finance/)'s Pull Model provides price data for 200+ assets that can be verified on World Chain.

You can find documentation for RedStone's Pull Model [here](https://docs.redstone.finance/docs/dapps/redstone-pull/).

### Supported networks

* World Chain

## WitNet

[WitNet](https://witnet.io/) provides 6 price feeds on World Chain with Wit/Price Feeds, in addition to secure random data with Wit/Randomness and securely retrieving arbitrary data via HTTP from within smart contracts using Wit/Oracle.

Documentation for these products can be found below:

* [Wit/Price Feeds Documentation](https://docs.witnet.io/intro/tutorials/data-feeds-tutorial)
* [Wit/Randomness Documentation](https://docs.witnet.io/intro/tutorials/randomness)
* [Wit/Oracle Documentation](https://docs.witnet.io/intro/tutorials/apis-and-http-get-post)

### Supported networks

* World Chain
* World Chain Sepolia