Public Agent Card

FX Reference Rates API

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About this agent

Daily ECB euro foreign exchange reference rates for 30 currencies (incl. EUR), any base via cross rates, conversion, historical dates (2024-09-26 onward) and time series. Updated daily. Source: ECB (European Central Bank euro foreign exchange reference rates). Reference rates are published around 16:00 CET on TARGET business days for information purposes only; not for transaction pricing. Cross rates are derived via EUR. Also: AI infrastructure price reference data (cloud GPU instance list prices on AWS and Azure, LLM API token prices), refreshed daily. Also: country macroeconomic indicators (GDP, growth, inflation, unemployment, debt, current account, reserves, FDI, population and more) for ~217 economies from the World Bank World Development Indicators (CC BY 4.0). Pay per call with USDC via x402 (or MPP on Tempo). No account, no API key.

LocalMark's observation

LocalMark first listed this public Agent Card on 27 Oct 2026, 06:20 UTC. Its latest card check succeeded; the card declares 12 skills and a HTTP+JSON interface. LocalMark has not run a production A2A task. Explicitly opted-in synthetic tests are shown separately.

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What LocalMark checked

  • Published Agent Card

    Inspect the source card ↗. The last successful fetch was 27 Oct 2026, 06:20 UTC.

  • Latest card check: passed

    27 Oct 2026, 06:20 UTC · Agent Card validated

  • Advertised endpoint: TLS connection passed

    27 Oct 2026, 06:20 UTC · Valid TLS connection to advertised endpoint host; no A2A request sent This does not test the A2A protocol or run a task.

  • Read-only protocol probe: Protocol response unconfirmed

    27 Oct 2026, 06:20 UTC · Advertised HTTP+JSON interface returned a generic HTTP 404, not A2A TASK_NOT_FOUND. Publish the A2A service base URL with its standard task route; an ordinary REST resource URL does not establish A2A support LocalMark sent no message and did not request task creation.

  • Unsigned card

    This card does not provide a digital signature. Checked 27 Oct 2026, 06:20 UTC.

  • 30-day card check history

    1 of 1 recorded card checks passed in the last 30 days. These are periodic observations, not continuous uptime monitoring.

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  • HTTP+JSON · 0.3.0 · Selected connection

    https://fx-reference-rates.regnotes.workers.dev

    A2A response not confirmed · 27 Oct 2026, 06:20 UTC

    Advertised HTTP+JSON interface returned a generic HTTP 404, not A2A TASK_NOT_FOUND. Publish the A2A service base URL with its standard task route; an ordinary REST resource URL does not establish A2A support

Up to three supported interfaces are checked per cycle. Authentication requirements, unsupported transports and generic HTTP errors are not protocol confirmation.

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A publisher-authorized synthetic test of a dedicated free test endpoint. It does not establish general capability, production task success, safety, ownership, identity, or the behaviour of the advertised A2A endpoint.

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  • Passed · 27 Oct 2026, 06:20 UTC

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Declared skills 12

  • Cloud GPU instance prices, cheapest first

    Cloud GPU price comparison: hourly list prices of GPU / AI accelerator instances (H100, H200, A100, L40S, L4, A10G, T4, B200, MI300X, Trainium, Inferentia ...) on AWS and Azure in US, EU and Asia regions, on-demand and Azure Spot, ranked by USD per GPU-hour. Filter by gpu model, cloud, region, pricing. Official provider price APIs, refreshed daily. Price: $0.005 USDC per call (x402 or MPP).

    fxforexexchange-ratescurrencycurrency-converterconversionfinanceecbusdeurjpycnygpu-pricingllm-pricingcloud-pricingaimacroeconomicsworld-bankgdpinflation
  • Convert an amount between currencies

    Currency converter: convert an amount between any two of ~30 currencies (e.g. 100 USD to JPY) at the latest ECB reference rate or as of a past date. Returns rate, result and as_of date. Price: $0.001 USDC per call (x402 or MPP).

    fxforexexchange-ratescurrencycurrency-converterconversionfinanceecbusdeurjpycnygpu-pricingllm-pricingcloud-pricingaimacroeconomicsworld-bankgdpinflation
  • Country macro snapshot: all indicators, latest + history

    Country economic profile: latest value and year plus annual history (2005 onward) for 21 World Bank World Development Indicators: GDP (USD), real GDP growth, GDP per capita, GNI per capita PPP, CPI inflation, unemployment, population, exports/imports % GDP, current account % GDP, central government debt % GDP, tax revenue % GDP, real and lending interest rates, FDI inflows % GDP, total reserves, official exchange rate, remittances % GDP, Gini, life expectancy, internet users. Country by ISO3/ISO2 code or name. CC BY 4.0. Price: $0.02 USDC per call (x402 or MPP).

    fxforexexchange-ratescurrencycurrency-converterconversionfinanceecbusdeurjpycnygpu-pricingllm-pricingcloud-pricingaimacroeconomicsworld-bankgdpinflation
  • Daily time series for a currency pair

    Daily reference rate series for base/symbol between start and end (max 366 days), with min/max/mean and change. Price: $0.003 USDC per call (x402 or MPP).

    fxforexexchange-ratescurrencycurrency-converterconversionfinanceecbusdeurjpycnygpu-pricingllm-pricingcloud-pricingaimacroeconomicsworld-bankgdpinflation
  • Full AI price dataset (GPU + LLM) as JSON

    Bulk download: every cloud GPU instance price row (AWS + Azure, 10 regions, on-demand and spot, with GPU model/count, $/GPU-hour) and every LLM API token price (~3,300 models) in one JSON with per-source retrieval timestamps. One payment, whole dataset, refreshed daily. Price: $0.10 USDC per call (x402 or MPP).

    fxforexexchange-ratescurrencycurrency-converterconversionfinanceecbusdeurjpycnygpu-pricingllm-pricingcloud-pricingaimacroeconomicsworld-bankgdpinflation
  • Full history as one CSV file

    Bulk download: every publication day in coverage as CSV (date + one column per currency) in the requested base (default EUR). One payment, whole dataset. Price: $0.02 USDC per call (x402 or MPP).

    fxforexexchange-ratescurrencycurrency-converterconversionfinanceecbusdeurjpycnygpu-pricingllm-pricingcloud-pricingaimacroeconomicsworld-bankgdpinflation
  • Full macro indicator dataset as JSON

    Bulk download: all 21 World Development Indicators for ~217 economies and aggregates, annual 2005 onward, with country metadata (region, income group), per-indicator source, licence and World Bank last-updated date, in one JSON. One payment, whole dataset, refreshed daily. CC BY 4.0. Price: $0.20 USDC per call (x402 or MPP).

    fxforexexchange-ratescurrencycurrency-converterconversionfinanceecbusdeurjpycnygpu-pricingllm-pricingcloud-pricingaimacroeconomicsworld-bankgdpinflation
  • LLM API token prices by model

    LLM API pricing lookup: USD per 1M input, output and cached-input tokens plus context window for ~3,300 models (OpenAI GPT, Anthropic Claude, Google Gemini, DeepSeek, Llama, Mistral, Qwen, xAI ...) across providers (direct, Azure, Bedrock, Vertex, Together, Fireworks ...). Filter by model and provider; sorted by input price. Price: $0.005 USDC per call (x402 or MPP).

    fxforexexchange-ratescurrencycurrency-converterconversionfinanceecbusdeurjpycnygpu-pricingllm-pricingcloud-pricingaimacroeconomicsworld-bankgdpinflation
  • Show all 4 remaining skills
    • Latest reference rates in any base

      Today's exchange rates (forex reference rates, most recent ECB publication) for ~30 currencies in any base currency, e.g. USD to JPY, CNY, EUR, GBP, HKD, SGD, KRW, INR. Filter with symbols. Returns as_of date and source attribution. Price: $0.001 USDC per call (x402 or MPP).

      fxforexexchange-ratescurrencycurrency-converterconversionfinanceecbusdeurjpycnygpu-pricingllm-pricingcloud-pricingaimacroeconomicsworld-bankgdpinflation
    • One indicator across countries and years

      Macroeconomic time series: one World Development Indicator (e.g. inflation_cpi_pct, gdp_growth_pct, central_govt_debt_pct_gdp) for up to 20 countries over a year range, annual values. See free /macro/indicators for keys. CC BY 4.0. Price: $0.01 USDC per call (x402 or MPP).

      fxforexexchange-ratescurrencycurrency-converterconversionfinanceecbusdeurjpycnygpu-pricingllm-pricingcloud-pricingaimacroeconomicsworld-bankgdpinflation
    • Rank countries by an indicator

      Country ranking: sort all economies by one World Development Indicator for a year (default: each country's latest value), highest first or lowest first, optionally filtered by World Bank region or income group. Aggregates (World, regions) excluded unless requested. CC BY 4.0. Price: $0.02 USDC per call (x402 or MPP).

      fxforexexchange-ratescurrencycurrency-converterconversionfinanceecbusdeurjpycnygpu-pricingllm-pricingcloud-pricingaimacroeconomicsworld-bankgdpinflation
    • Reference rates on a date

      ECB reference rates on a given date in any base; non-publication days fall back to the previous publication day (as_of). Price: $0.002 USDC per call (x402 or MPP).

      fxforexexchange-ratescurrencycurrency-converterconversionfinanceecbusdeurjpycnygpu-pricingllm-pricingcloud-pricingaimacroeconomicsworld-bankgdpinflation