# DIA

DIA is a oracle service for bringing external data, randomness, and automation into smart contracts. It helps Web3 teams work with blockchain applications, smart contracts, wallets, data, and onchain infrastructure using a focused product or developer workflow.

## Type

Service

## Protocols

Ethereum  
 BNB Smart Chain  
 Polygon  
 Arbitrum  
 Base  
 Optimism  
 Avalanche  
 Blast  
 zkSync Era  
 Scroll  
 Sonic  
 Fantom  
 Gnosis Chain  
 Celo  
 Metis  
 Mantle  
 Linea

### Use it for:

- Use price and market data onchain.
- Trigger contract logic with external signals.
- Support DeFi and risk workflows.
- Reduce custom oracle infrastructure.

### Best fit:

protocol teams that need reliable offchain data inside smart contracts.

[Documentation

## Services related to DIA

[**FluidRWA**](/content/marketplace/services/fluidrwa/index.html)  
[**Noble**](/content/marketplace/services/noble/index.html)  
[**Secret Network**](/content/marketplace/services/secret-network/index.html)

## Questions? We're here to help

Get in touch with our team for setup, pricing, or technical guidance

[Contact us](/content/contact/index.html)

## Read more on our blog

[**Chainstack introduces support for Metis**](/content/chainstack-introduces-support-for-metis/index.html)  
[**Chainstack introduces support for Mantle**](/content/chainstack-introduces-support-for-mantle/index.html)  
[**Chainstack introduces support for Linea**](/content/chainstack-introduces-support-for-linea/index.html)