fixer.io
Foreign exchange software
Financial data APIs
Accounting & finance software
Financial services software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
Take the quiz to check if fixer.io and its alternatives fit your requirements.
$13.99 per month
Free Trial unavailable
Free version
Small
Medium
Large
- Transportation and logistics
- Retail and wholesale
- Manufacturing
What is fixer.io
fixer.io is a web-based foreign exchange rates API used to retrieve current and historical currency exchange rates for use in applications, reporting, and financial workflows. It targets developers and teams that need programmatic FX data for pricing, invoicing, analytics, or multi-currency features. The service is typically consumed via HTTP endpoints and returns structured responses suitable for integration into back-end services, spreadsheets, and business systems.
Developer-friendly FX rates API
The product provides a straightforward API pattern for requesting exchange rates by base currency, symbols, and date. This makes it practical for embedding FX conversion into web and mobile applications without building a data collection pipeline. The focus on API consumption aligns well with teams that need FX data as an input to other systems rather than a standalone UI tool.
Supports historical rate queries
fixer.io supports retrieving historical exchange rates, which is useful for backdated invoices, accounting adjustments, and analytics. Historical access also supports reproducible calculations when finance teams need to explain how a converted amount was derived. This capability is commonly expected in the category and is important for auditability in multi-currency workflows.
Simple integration for business systems
Because it is delivered as an API, fixer.io can be integrated into ERP, billing, and finance automation tools through custom code or middleware. Typical use cases include converting transaction amounts, normalizing revenue reporting across currencies, and powering currency selectors in customer-facing products. The API-first approach can reduce reliance on manual rate lookups in operational processes.
Not a payments or hedging tool
fixer.io provides exchange-rate data but does not function as a cross-border payments platform or treasury execution system. Organizations that need to move money, manage beneficiaries, or execute FX trades will require separate financial services tooling. This limits its role to data provisioning rather than end-to-end currency operations.
Limited accounting workflow features
The product is not an accounting system and does not provide native capabilities such as invoice management, reconciliation, approvals, or audit trails. Finance teams typically need to integrate it into existing accounting software to operationalize rates. As a result, value depends on implementation quality and downstream system support.
Data coverage and licensing constraints
As with many FX data APIs, practical usage depends on plan limits, supported endpoints, and permitted commercial use under the vendor’s terms. Some organizations may require specific rate sources, update frequencies, or service-level commitments that are not available on all tiers. Teams should validate rate source, refresh cadence, and contractual terms against compliance and reporting requirements.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Free | $0 per month | 100 API Calls / month; Hourly updates; No support; Historical data; SSL encryption. |
| Basic | $14.99 per month (monthly) / $13.99 per month (billed yearly) | 10,000 API Calls / month; Overage: +$0.002998 per additional call; Hourly updates; Standard support; Historical data; SSL encryption; All base currencies; Conversion endpoint. |
| Professional | $59.99 per month (monthly) / $52.99 per month (billed yearly) | 100,000 API Calls / month; Overage: +$0.0011998 per additional call; 10-minute updates; Standard support; Historical data; SSL encryption; All base currencies; Conversion & Time-Series endpoints. |
| Professional Plus | $99.99 per month (monthly) / $84.99 per month (billed yearly) | 500,000 API Calls / month; Overage: +$0.00039996 per additional call; 60-second updates; Standard support; Historical data; SSL encryption; All base currencies; Conversion, Time-Series & Fluctuation endpoints. |
| Enterprise | Volume (custom pricing) | Custom pricing billed annually; Volume API calls / month; 60-second updates; Historical data; SSL encryption; All base currencies; Conversion, Time-Series & Fluctuation endpoints; Custom solutions — contact sales. |
Seller details
apilayer GmbH
Vienna, Austria
Private
https://mailboxlayer.com/
https://x.com/apilayer
https://www.linkedin.com/company/apilayer/
