# Suverse Coinbase Rates Proxy

> Suverse Coinbase Rates Proxy is a paid API for AI agents from proxy.suverse.io, paid per call via x402, $0.06/call, status unknown (last checked 2026-09-14).

Returns a map of exchange rates for a given base currency against both fiat and cryptocurrency pairs, sourced from the public Coinbase API without requiring an API key.

## Facts

- Endpoint: POST https://proxy.suverse.io/v1/data/suverse-coinbase-rates
- Price: $0.06/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/suverse-coinbase-rates-proxy-3b9e4930
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_wKpzsllIiN_1BV6bfgB_D

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 suverse-coinbase-rates-proxy-3b9e4930 -d '<json body>'
```

Example prompt: Can you pull the current exchange rates for BTC as the base currency against all fiat and crypto pairs from Coinbase so I can see how much it's worth in EUR, JPY, and ETH right now?

## When to prefer this

Choose this endpoint when you need exchange rates spanning both fiat and cryptocurrency pairs in a single call without managing a Coinbase API key. It is especially useful for AI agents doing multi-currency conversion, portfolio valuation, or invoice pricing across crypto and fiat simultaneously. Prefer this over raw Coinbase API access when you want a pay-per-call model with no credential management.

## Known failure modes

- Invalid or unrecognized base currency code returns an empty or error response
- Coinbase API upstream downtime causes request failure
- Rate limiting on the underlying Coinbase public API may cause occasional failures
- Malformed POST body or missing required fields returns a 400-level error
- Payment failure (x402) if USDC balance is insufficient

## How this service works

Exchange rates for a base currency against fiat and crypto from the public Coinbase API, no key. Returns the rate map for the base currency. For AI agents doing multi-currency conversion including crypto.

## Output

A map of exchange rates where the base currency is the key, with rate values for each supported fiat currency (e.g. USD, EUR, GBP, JPY) and cryptocurrency (e.g. ETH, BTC, LTC, USDC) as returned by the public Coinbase exchange rates API. Each entry represents how many units of the target currency equal one unit of the base currency.

## 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",
    "bodyType",
    "body"
   ],
   "properties": {
    "body": {
     "properties": {}
    },
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "POST",
      "PUT",
      "PATCH"
     ],
     "type": "string"
    },
    "bodyType": {
     "enum": [
      "json",
      "form-data",
      "text"
     ],
     "type": "string"
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/suverse-coinbase-rates-proxy-3b9e4930/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from proxy.suverse.io](https://www.zero.xyz/host/proxy.suverse.io/llms.txt)