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Abstract API Exchange Rate API

Freemium#14 of 18 in Apis Data Services

Abstract API Exchange Rate API: A focused REST API for live and historical exchange-rate lookups. Ranked #14 of 18 in Apis Data Services by our editors (7.2/10); pricing: Free plan; best for apps needing straightforward exchange-rate lookups.

7.2/10Editor score

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Abstract API Exchange Rate API7.2 Visit Abstract API

At a glance

Editor score
7.2 / 10
Pricing
Free plan
Best for
Apps needing straightforward exchange-rate lookups
Free plan
Yes
Historical data
Yes
Facts checked
24 Sep 2026

Where it wins
- Queries live and historical exchange rates through HTTP endpoints
- Lets applications choose a base currency for rate requests
- Returns JSON responses and uses API-key authentication
Where it doesn't
- Focused on exchange-rate data rather than broader data services
- Integration requires API-key authentication and HTTP requests
- Cloud-hosted API access may not suit products needing another deployment model

Our verdict on Abstract API Exchange Rate API

Abstract API Exchange Rate API provides currency conversion and exchange-rate data to software applications through HTTP endpoints. Developers can query supported currencies, select a base currency, and retrieve live or historical values. Its REST API format and JSON responses make it a fit for apps that need direct exchange-rate lookups, particularly solo developers and small or mid-market teams building currency-aware features. It is a narrower choice than a general-purpose data service: the central job is providing exchange-rate information for application use.

The feature set centers on the lookup workflow. Live queries serve current-rate needs, while historical queries support use cases that rely on past values. Base-currency selection gives requests control over the reference currency, and API-key authentication provides the access mechanism. Abstract API hosts the service in the cloud, with documentation that includes request and response examples for integrating it into backend services and other applications. That documented, HTTP-based approach fits teams comfortable making API requests; it is less suited to buyers seeking a non-API interface or a different deployment model.

A free plan is listed, alongside a paid pricing model, but there is not enough plan information here to compare paid tiers or judge how usage allowances map to a particular workload. Buyers should evaluate the available plan terms against their expected request pattern before depending on it in production. Choose this API when a software product needs straightforward live or historical exchange-rate retrieval, base-currency selection, and JSON output. Consider an alternative if the requirement is a broader data platform, richer ecosystem fit, or deployment outside a cloud-hosted API.

Your product? Our editors can test Abstract API Exchange Rate API in depth and publish a review, labelled as paid · from $149/mo →

Abstract API Exchange Rate API pricing

Plans Free planFreemium A usable free plan; paid tiers unlock the limits above. Prices checked 24 Sep 2026.

See plans on abstractapi.com

Abstract API Exchange Rate API fact sheet

Free plan	Yes
Paid from	Not verified
Monthly request limit	Not verified
Rate limit	Not verified
API style	Rest
Historical data	Yes
Webhooks	Not verified
Official SDKs	Not verified
Data coverage	Global
Deployment	Cloud
Support	Docs
Built for	Solo, Small business, Mid-market (editorial estimate)
Pricing	Free plan (source)
Website	abstractapi.com
Facts checked	24 Sep 2026

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update