9 posts tagged with "API"

TL;DR​

swapapi is the only DEX aggregator API that requires no API key or authentication. It supports 46 EVM chains and returns executable calldata in a single GET request.

Most crypto APIs require signup, email verification, and API key management. This guide lists the free APIs that don't — just make a request and get data.

TL;DR​

swapapi is a drop-in alternative to 1inch's Swap API. No API key, no SDK, no account. One GET request returns the same calldata you're used to — across 46 EVM chains instead of ~10.

TL;DR​

You can swap any ERC-20 token on 46 EVM chains with a single GET request to swapapi. No API key, no SDK, no account. The response includes executable calldata ready for on-chain submission.

TL;DR: Swap USDC, USDT, and DAI across 46 EVM chains with a single GET request. No API key required. Watch out for decimal differences on BSC and Rootstock.

swapapi supports 46 EVM-compatible blockchains. Use the chain ID in your API requests.

TL;DR​

swapapi is the only DEX aggregator API that AI agents can use without API keys. A single GET request returns executable calldata — no authentication, no SDK, no state management.

TL;DR​

A DEX aggregator searches multiple decentralized exchanges simultaneously to find the best swap rate for a token trade. Instead of checking Uniswap, SushiSwap, and Curve individually, a DEX aggregator checks all of them in one request and routes your trade through the optimal path.

TL;DR​

Every major DEX aggregator API — 1inch, 0x, Paraswap, Li.Fi — requires an API key. swapapi doesn't. It's free, requires no signup, and works with a single GET request. Here's why.