fixer.io valid

Fixer

Fixer is a reliable, lightweight real-time and historical foreign exchange (forex) rates REST API, used by developers to power currency converters, e-commerce pricing, financial dashboards, and analytics tools. It delivers JSON-formatted exchange rate data for 170+ world currencies, aggregated from 15+ trusted financial sources (primarily the European Central Bank) and updated regularly for accuracy. Historical end-of-day rates are available all the way back to 1 January 1999. Responses include

For agents: Fixer is a REST API for real-time and historical forex rates covering 170+ currencies, primarily ECB-sourced, with historical data back to 1999 and free and pai

forex rates apicurrency exchangehistorical ratesecb ratesjson api

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T14:38:34.265Z. Cached copy · Source on fixer.io

# Fixer

> Fixer is a reliable, lightweight real-time and historical foreign exchange (forex) rates REST API, used by developers to power currency converters, e-commerce pricing, financial dashboards, and analytics tools. It delivers JSON-formatted exchange rate data for 170+ world currencies, aggregated from 15+ trusted financial sources (primarily the European Central Bank) and updated regularly for accuracy. Historical end-of-day rates are available all the way back to 1 January 1999. Responses include a UNIX timestamp, the base currency, the date, and a rates object, with JSONP callback support and 256-bit SSL encryption on every tier. Fixer is part of the APILayer suite (one account, one API key, one dashboard across the APILayer product family).
A free API key is available at https://fixer.io/signup/free/monthly — the Free Plan includes 100 monthly API requests with a EUR base currency, hourly-updated latest rates, historical data, and SSL encryption, restricted to non-commercial use; paid plans add commercial-use rights, base-currency switching, the conversion endpoint, standard support, and higher request volumes. Paid tiers are Basic ($14.99/month, 10,000 requests, hourly updates), Professional ($59.99/month, 100,000 requests, 10-minute updates, time-series endpoint), and Professional Plus ($99.99/month, 500,000 requests, 60-second updates, fluctuation endpoint), with discounts on annual billing. To call the API, append your access_key as a query parameter. The base URL is data.fixer.io/api. A single lookup is one HTTP GET request: data.fixer.io/api/latest?access_key=YOUR_KEY. The default base currency is EUR unless overridden with the base parameter (base-switching requires a paid plan); the symbols parameter limits results to a comma-separated set of 3-letter currency codes to reduce bandwidth. Core endpoints include Symbols (list of all supported currencies), Latest (most recent real-time rates), Historical (rates for a specific past date via /YYYY-MM-DD), Convert (convert an amount with from, to, amount, and optional date), Time-Series (daily rates between two dates via start_date and end_date, Professional and above), and Fluctuation (change and margin/percentage between two dates, Professional Plus and above). Code examples are provided for multiple languages.
## Getting Started
- [Fixer Homepage](https://fixer.io/): Free, real-time and historical currency exchange rate API
- [API Documentation](https://docs.apilayer.com/fixer/docs/api-documentation): Full reference — endpoints, parameters, response objects, errors, and code examples
- [Free API Key Signup](https://fixer.io/signup/free/monthly): Create a free account with 100 monthly requests
- [Login](https://fixer.io/login): Access your dashboard, API key, and usage statistics
- [Pricing](https://fixer.io/#pricing_plan): Free and premium plan tiers with request volumes, update frequency, and features
## Tools
- [API Status](https://fixer.io/api-status): Real-time updates on API p
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Machine-readable: GET /v1/resolve?q=fixer.io · GET /v1/domain/fixer.io · 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 fixer.io:
1. POST https://agentwebmap.com/v1/sites/fixer.io/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://fixer.io/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
3. POST https://agentwebmap.com/v1/sites/fixer.io/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/fixer.io).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verify

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