APIs & Developer Tools

Discover free and freemium APIs, SDKs, infrastructure and developer platforms.

Categories

10 APIs

Arweave

Permanent decentralized storage for immutable media and docs.

Infrastructure

Chain-agnostic

What can you build?

Immutable docs
On-chain media

Open Source

Free

Freemium

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Gaia

Decentralized AI network for private nodes and agent backends.

AI: AI Agents

Chain-agnostic

What can you build?

Private AI nodes
Agent backends

Free

Freemium

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Hugging Face

Model hosting, inference APIs, and ML community hub.

AI: AI Agents, Analytics

Chain-agnostic

What can you build?

AI agent
Content moderation

Free

Freemium

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IPFS

Decentralized storage protocol for content-addressed files.

Infrastructure

Chain-agnostic

What can you build?

NFT metadata
Decentralized hosting

Open Source

Free

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Lighthouse

IPFS and Filecoin storage with encryption for Web3 assets.

Infrastructure

Chain-agnostic

What can you build?

Encrypted file storage
NFT assets

Free

Freemium

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LiteLLM

Unified API proxy for 100+ LLM providers.

AI: AI Agents

Chain-agnostic

What can you build?

AI agent
Chat app

Open Source

Free

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