API3
API3 provides data feeds for decentralized applications and says it pays dApps that use them.
About API3
API3 provides data feeds for decentralized applications. DeFi projects can receive OEV Rewards through its data-feed program. It also offers AirnodeHub, an early-access marketplace where agents can discover, call and pay for APIs.
Pricing is not clearly stated.
Key features
- Data feeds for decentralized applications
- OEV Rewards for DeFi projects that use feeds
- 100+ data feeds on every chain
- Ecosystem list of lending protocols earning OEV Rewards
- AirnodeHub early access marketplace for APIs
Best for: DeFi projects and dApps that need data feeds and want OEV Rewards.
Watch out for
- AirnodeHub is in early access and may change
API3 at a glance
- Website
- api3.org
- Category
- Development › APIs & Databases
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Details verified
- Oct 21, 2026 · Official source
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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