currencyapi.com valid

currencyapi.com

Currency API with live and historical exchange rates for 170+ currencies, crypto and metals. Convert any amount, rates every 60 seconds, free plan included.

For agents: Currency API offering live and historical exchange rates for 170+ currencies, crypto and metals, with documented endpoints, OpenAPI spec, SDKs and a free plan.

exchange rates apihistorical currency ratescentral bank ratescrypto pricesopenapi

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T12:06:33.221Z. Cached copy · Source on currencyapi.com

# currencyapi.com

> Currency API with live and historical exchange rates for 170+ currencies, crypto and metals. Convert any amount, rates every 60 seconds, free plan included.

AI coding agents: run curl -s https://currencyapi.com/agents.md and follow it (setup, API key, first call, plans).

- Website: https://currencyapi.com/
- Documentation: https://currencyapi.com/docs/
- OpenAPI spec: https://currencyapi.com/docs/openapi.yaml
- Documentation llms.txt: https://currencyapi.com/docs/llms.txt
- Full marketing content: https://currencyapi.com/llms-full.txt

## Get an API key
- Sign up for a free API key: https://app.currencyapi.com/register (free plan: 300 requests a month, up to 10 requests a minute).
- Send the key in the `apikey` header, or as the `apikey` query parameter (`?apikey=...`).
- Keep it in an environment variable, e.g. `CURRENCYAPI_KEY`.
- First call: `curl -H "apikey: $CURRENCYAPI_KEY" "https://api.currencyapi.com/v3/latest"`
- MCP server: https://api.currencyapi.com/mcp (streamable HTTP, the same `apikey` header).

## Docs
- [API Documentation](https://currencyapi.com/docs/): Endpoints, authentication, request/response formats and SDKs.
- [OpenAPI 3.1 spec](https://currencyapi.com/docs/openapi.yaml): Machine-readable definition of every endpoint.
- [Fluctuation](https://currencyapi.com/docs/fluctuation/): `/v3/fluctuation` returns each currency's start rate, end rate and change (absolute and %) between two dates.
- [Average exchange rates](https://currencyapi.com/docs/average/): `/v3/average` returns monthly, quarterly or yearly average, low and high rates, from market data or a central bank (`source=ecb`), as JSON or CSV.
- [Time series](https://currencyapi.com/docs/range/): `/v3/range` returns daily, hourly or minute series, and month-end or week-end series (`accuracy=month|week`) over decades, as JSON or CSV.
- [Official central bank rates](https://currencyapi.com/docs/official/): `/v3/official` serves the rates 35 central banks publish (ECB, Federal Reserve, Bank of England, ...), exactly as published, with history.
- [Central bank exchange rates](https://currencyapi.com/central-bank-exchange-rates): Public pages with every bank's current rates, charts and yearly averages.
- [MCP server](https://api.currencyapi.com/mcp): Hosted Model Context Protocol endpoint — AI agents can call the API as native tools (streamable HTTP, `apikey` header).

## Pricing
- [Currency API Pricing: Free Plan, Paid Plans from $9.99 | currencyapi](https://currencyapi.com/pricing/): currencyapi pricing: Free with 300 requests/month and historical rates. Small $9.99 with hourly updates; Medium $39.99 and Large $79.99 with 60-second updates.

## Free tools
- [Bulk currency converter](https://currencyapi.com/tools/bulk-currency-converter/): Convert hundreds of amounts between currencies at once, at today's rate or each transaction date's rate. Paste a list or upload a CSV, download the result.
- [Currency converter widget](https://currencyapi.com/tools/c
…

Related sites

Other listed sites in APIs and SDKs. See the whole category →

Machine-readable: GET /v1/resolve?q=currencyapi.com · GET /v1/domain/currencyapi.com · this page as Accept: application/json or text/markdown · MCP lookup_domain

Automatically discovered from public files. Inclusion does not imply endorsement or publisher participation.

Claim my listing on Agent Web Map for currencyapi.com:
1. POST https://agentwebmap.com/v1/sites/currencyapi.com/claims and keep claim_id and claim_secret private.
2. Publish the proof: add the line "AgentWebMap ownership: <token>" (token from step 1) to https://currencyapi.com/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
3. POST https://agentwebmap.com/v1/sites/currencyapi.com/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/currencyapi.com).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verify

Corrections or removal requests: contact the directory.