# Swap API

> Use this tool when you need to execute seamless token swaps across multiple blockchain networks. The Swap API solves the problem of fragmented liquidity by aggregating data from 46 EVM chains, allowing for efficient and cost-effective trades. It takes a simple GET request with token pair inputs and returns ready-to-sign transactions as output.

Canonical page: https://skillsregistry.net/skills/swap-api-swap-api  
JSON: https://api.skillsregistry.net/v1/skills/swap-api-swap-api

## Description

Free DEX aggregator API that returns executable swap calldata across 46 EVM chains. No API key required. Single GET request returns ready-to-sign transactions for any token pair.

## Trust

- **Trust score (0–1):** 0.99
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** api-integration
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/zsfjpzvpss)
- **Repository:** <https://github.com/Swap-API/swap-api>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "swap-api-swap-api"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/swap-api-swap-api` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/swap-api-swap-api/pull`

---
SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt