# defi.hugen.tokyo Bridge & DEX Tools List

> defi.hugen.tokyo Bridge & DEX Tools List is a paid API for AI agents from defi.hugen.tokyo, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).

Returns a comprehensive list of all 30+ bridge protocols and DEX aggregators available, including supported chains and features

## Facts

- Endpoint: GET https://defi.hugen.tokyo/defi/bridge/tools
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/defi-hugen-tokyo-32c70471
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap__UVTZs4H96Y6NnHr-D4kC

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability defi-hugen-tokyo-32c70471
```

Example prompt: Show me all the bridge protocols and DEX aggregators you have available, including which blockchains each one supports.

## When to prefer this

Use this endpoint first when you need to discover what bridge and DEX aggregator tools are available before querying for specific routes or quotes. Ideal for populating UI dropdowns, filtering preferred bridges for a cross-chain swap, or checking whether a specific protocol is supported.

## Known failure modes

- Payment failure (402) if USDC not provided on Base or Solana
- Service unavailable (503) if upstream DeFi data sources are down
- Empty or partial list if protocol registry is temporarily incomplete

## How this service works

List all bridge protocols and DEX aggregators available — 30+ tools with supported chains and features. Accepts USDC payments on Base and Solana

## Output

A structured list of 30+ bridge protocols and DEX aggregators, each with their supported chains and feature details — useful for understanding what routing options are available before requesting a quote.

## Example request

```json
{
 "chain": "eth"
}
```

## Request schema (JSON Schema)

```json
{
 "properties": {
  "input": {
   "required": [
    "method"
   ]
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/defi-hugen-tokyo-32c70471/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from defi.hugen.tokyo](https://www.zero.xyz/host/defi.hugen.tokyo/llms.txt)