# Currency Conversion API (x402.orthogonal.com)

> Currency Conversion API (x402.orthogonal.com) is a paid API for AI agents from x402.orthogonal.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).

Converts a specified amount from one currency to another using real-time exchange rates.

## Facts

- Endpoint: GET https://x402.orthogonal.com/abstractapi/v1/convert
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/currency-conversion-api-x402-orthogonal-com-94a577a0
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_MkVIR9NzfEBBtUgWxC5iK

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 currency-conversion-api-x402-orthogonal-com-94a577a0
```

Example prompt: How much is 350 US dollars in Japanese yen right now?

## When to prefer this

Use this endpoint when you need a quick, single currency-pair conversion with a specified amount. It is ideal for lightweight lookups where you have a base currency, a target currency, and an amount, and do not need bulk conversion or historical rates.

## Known failure modes

- Invalid or unsupported currency code returns an error or empty result
- Missing required base or target currency parameter causes a 400-level error
- Amount parameter passed as non-numeric string may cause parsing errors
- Network or upstream provider outage may return 5xx errors

## How this service works

Convert an amount from one currency to another.

## Output

Returns the converted monetary amount in the target currency along with the exchange rate used, given a base currency, target currency, and optional amount (defaulting to 1).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "base": {
       "type": "string",
       "description": "Base currency code"
      },
      "amount": {
       "type": "string",
       "description": "Amount to convert (defaults to 1)"
      },
      "target": {
       "type": "string",
       "description": "Target currency code"
      }
     }
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/currency-conversion-api-x402-orthogonal-com-94a577a0/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.orthogonal.com](https://www.zero.xyz/host/x402.orthogonal.com/llms.txt)