x402 census · api.maxwellinternational.ai · 257468ad4886 · JSON
GET /v1/macro/ecb/fx
unprobed
ECB euro foreign exchange reference rates (EUR base) for one currency (e.g. USD): the latest rate and about three months of daily history in date order, as published by the European Central Bank.
Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://api.maxwellinternational.ai/v1/macro/ecb/fx |
| Method | GET |
| Price | $0.005 USDC = 5000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| payTo | 0x5976376b0c2125655e01d0a7758c744c43fb6d93 |
| Seller | api.maxwellinternational.ai |
| Catalogs | cdp (row updated 2026-09-30) |
| Listed since (lower bound) | 2026-09-30 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-30 |
| CDP quality counters | 6 calls and 2 unique payers in 30 days, last call 2026-09-30 (catalog-reported, not verified on chain) |
| Category (keyword rule) | finance/macro |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | Maxwell x402 · data, x402, api |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not probed in this build |
No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Distinct payers | 2 |
| Payments | 51 |
| USDC volume | $0.33 |
| Median payment | $0.005 |
| First / last payment | 2026-09-30 / 2026-09-30 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0x5976376b0c2125655e01d0a7758c744c43fb6d93 (contract) |
Declared input and output (extensions.bazaar)
{
"input": {
"method": "GET",
"queryParams": {
"pair": "USD"
},
"type": "http"
},
"output": {
"type": "json",
"example": {
"base": "EUR",
"count": 65,
"currency": "USD",
"fetchedAt": "2026-09-26T02:26:02.687Z",
"latest": {
"date": "2026-09-25",
"rate": 1.1403
},
"observations": [
{
"date": "2026-06-29",
"rate": 1.1406
}
],
"ok": true,
"pair": "EURUSD",
"quote": "USD",
"source": "https://www.ecb.europa.eu/stats/eurofxref/eurofxref-hist-90d.xml"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X GET 'https://api.maxwellinternational.ai/v1/macro/ecb/fx' -H 'accept: application/json'
The catalog declares GET. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.
Paid checks (x402, USDC on Base)
GET https://bazaar.agentexchange.work/r/257468ad4886/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"257468ad4886"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.
Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on api.maxwellinternational.ai.