Discover / iso.openverbs.com

ISO 4217 currency lookup

■ Challenge detected

Look up an active ISO 4217 currency by its alphabetic code or numeric code. Provide exactly one field. Returns the code, numeric code, name and number of minor units (decimal places).

x402
Base
USDC

Listed price: $0.002
Challenge detected: 10 of the last 10 checks
Median response: 176 ms
Last checked: 17 Oct, 09:26 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://iso.openverbs.com/v1/currency
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

4 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://iso.openverbs.com/v1

POST/country$0.002Look up a country by its ISO 3166-1 alpha-2 code, alpha-3 code, numeric code or English name. Provide exactly one field. Returns all codes plus the UN region.
POST/search$0.002Fuzzy-search countries, currencies and languages by name or code. Scope with `registry` (defaults to all). Matches are ranked exact-code/name → prefix → substring.
POST/language$0.002Look up a language by its ISO 639-1 alpha-2 code, ISO 639-2 alpha-3 code (bibliographic or terminologic) or English name. Provide exactly one field.
POST/currency$0.002Look up an active ISO 4217 currency by its alphabetic code or numeric code. Provide exactly one field. Returns the code, numeric code, name and number of minor units (decimal places).

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 4 of 4 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/iso.openverbs.com

Recent checks

30 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.17 Oct 2026

All 10 checks

When (UTC)	Result	HTTP	Response
17 Oct, 09:26 UTC	Challenge detected	402	586ms
16 Oct, 08:13 UTC	Challenge detected	402	197ms
14 Oct, 23:56 UTC	Challenge detected	402	169ms
13 Oct, 14:18 UTC	Challenge detected	402	191ms
11 Oct, 12:57 UTC	Challenge detected	402	175ms
10 Oct, 03:32 UTC	Challenge detected	402	175ms
9 Oct, 00:47 UTC	Challenge detected	402	177ms
7 Oct, 21:31 UTC	Challenge detected	402	160ms
6 Oct, 18:37 UTC	Challenge detected	402	176ms
30 Sept, 17:04 UTC	Challenge detected	402	173ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 09:26 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for ISO 4217 currency lookup?

Its listed price is $0.002.

What payment terms does ISO 4217 currency lookup advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is ISO 4217 currency lookup listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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