# clonecho.builda.company Currency List (Frankfurter/ECB)

> clonecho.builda.company Currency List (Frankfurter/ECB) is a paid API for AI agents from clonecho.builda.company, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).

Returns a list of all supported ISO 4217 currency codes and their full names sourced from the Frankfurter/ECB data feed.

## Facts

- Endpoint: POST https://clonecho.builda.company/x402/currency-list
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/clonecho-builda-company-currency-list-frankfurter-ecb-568c5f14
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_7q7B776fKKNSkdKdGgrbv

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 clonecho-builda-company-currency-list-frankfurter-ecb-568c5f14 -d '<json body>'
```

Example prompt: Can you give me the full list of currencies supported by the Frankfurter ECB exchange rate service, including their ISO 4217 codes and full names?

## When to prefer this

Use this endpoint when you need to enumerate or validate the set of currency codes supported by the Frankfurter/ECB exchange rate system, particularly before making exchange rate queries or building currency pickers. Prefer this over static hardcoded lists when you need to confirm which codes the ECB system currently supports.

## Known failure modes

- Payment failure (x402 protocol issue) — endpoint requires $0.01 USDC per call
- Upstream ECB/Frankfurter data unavailability — service may return 5xx if upstream is down
- Network timeout — no params to adjust but retry is safe given idempotency

## How this service works

MARKETS: supported ISO 4217 currency codes and names (Frankfurter/ECB). Returns JSON.

## Output

A JSON object mapping ISO 4217 three-letter currency codes (e.g. USD, EUR, GBP) to their full currency names (e.g. US Dollar, Euro, Pound Sterling), covering all currencies supported by the Frankfurter/ECB data source.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/clonecho-builda-company-currency-list-frankfurter-ecb-568c5f14/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from clonecho.builda.company](https://www.zero.xyz/host/clonecho.builda.company/llms.txt)