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For Developers
For data providers
DAO
Resources
Participate

For Developers
For data providers
DAO
Resources
Participate
140+ 
data feeds
on 
16 
blockchains
with 
0 
bridges
and 
0 
middlemen
API3’s dAPIs are aggregated from first-party oracles* directly on the native
chain. This means that you always know where your data comes from and never have
to rely on cross-chain bridges as a centralized point of failure for your
dApp**.
Explore Data Feeds
*Oracle nodes operated by the source-level data provider
**In the past two years, bridges have been exploited for over $2.5B USD
Available on:

How are dAPIs different?
API3’s data feeds, dAPIs, get their data directly from the source without
relying on third-party middlemen. The dAPI aggregation contract resides on the
same chain as the consumer dApp, meaning the data is never bridged over and
exposed to bridge exploits. This maximizes the reliability and transparency of
our feeds, resulting in safer DeFi for everyone.
Go to dAPI Docs

For Developers
Data services for developers who prioritize security, transparency and accuracy.

API3 builds solutions that bridge the gap between off-chain data and on-chain
applications with maximal security and minimal latency. Below you can explore
our currently available services.
Data feeds
Native-chain aggregated price reference data feeds for more than 140 assets,
currently on 16 networks including Polygon (PoS & zkEVM), Arbitrum, Avalance,
Optimism and others.
Learn more

QRNG
Free quantum mechanics-derived random number generator for smart contracts,
powered by Australia National University Quantum Optics Group and Quintessence
Labs.
Learn more

Web3 APIs
A catalog of on-demand APIs made available to Web3 developers through the use of
API3’s Airnode oracle technology.
Learn more
OEV - the antidote to MEV.

OEV Share is API3's solution to minimize the value loss caused by MEV and return
extractable value to DeFi dApps and their users, not market makers. OEV is set
to launch in 2023 and will be available for all API3 data feed users.
Introduction to OEV
Read about what OEV is, how it gets captured and how dApps benefit from
integrating API3’s OEV-enabled data feeds.
Read Introduction to OEV

OEV Litepaper
A more detailed paper on the technical design of API3’s OEV solution.
Read OEV Litepaper
API3 partners



Quickperps

Sigma Prime











Quickperps

Sigma Prime










Quickperps

Sigma Prime











Quickperps

Sigma Prime










For Data Providers
Connect your data to decentralized applications.


Airnode is a simple, crypto-free Web3 API gateway that enables API providers to
connect their data to decentralized applications running on various blockchains.
Learn more

ChainAPI is Airnode’s effortless, no-code, GUI-based integration tool that
enables an API provider to self-deploy an Airnode in minutes.
Go to ChainAPI
Join the API3 Alliance.
API3 Alliance is the largest association of API Providers on Web3. It was formed
to promote the use of real-world data in decentralized applications.
View members and join
DAO
API3 is decentrally governed by its token holders.

As a DAO, the API3 project is governed programmatically through the use of an
on-chain voting mechanism, powered by the API3 token.
DAO Dashboard
View and generate proposals, stake API3 and vote on proposals.
Go to DAO Dashboard

DAO Tracker
Track DAO metrics like staking rewards, wallet and treasury balances and voting
results.
Go to DAO Tracker
DAO Docs
Learn more about the API3 DAO, its structure and functions within the API3
project.
Read DAO Docs

DAO Forum
Discuss proposal topics before they go up to a vote in the DAO.
Go to DAO Forum
Community channels

Ask questions, get answers, voice your ideas and get involved.
API3 Discord
Join our Discord
API3 Telegram
Join our Telegram
Resources


API3 Docs
Read Docs

API3 Github
View on Github

API3 Whitepaper
Read Whitepaper

OEV Litepaper
Read Litepaper

For developers

Data feeds QRNG Provider Directory

FOR DATA PROVIDERS

Airnode API3 Alliance

DAO

DAO Overview DAO Dashboard DAO Tracker DAO Docs DAO Forum

RESOURCES

Docs Articles Whitepapers Media Kit

PARTICIPATE

Github Open Bank Project Open Positions Contact

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