fastFOREX API vs ExchangeRate-API
The fast alternative to ExchangeRate-API
ExchangeRate-API is a solid budget choice — but its Pro plan updates hourly, its fastest plan every 5 minutes, and by its own docs the data is 'unsuitable for forex trading' with no bid/ask spread. fastFOREX API delivers 60-second to 1-second updates, live bid/ask on 2,300+ pairs, and 1,000,000 calls from $18.
Competitor figures from ExchangeRate-API's public pricing, verified 10 September 2026.
The difference, quantified.
300x
Fresher data — 1s on Premium vs their 5-minute best
33x
More calls — 1,000,000 vs 30,000 on comparable entry plans
2,300+
Bid/ask FX pairs — they publish no spread data at all
Head to head
Feature comparison.
What you get on comparable plans.
Currency, time-series, metals, sign-in, account and MCP rows were checked on 2 October 2026. Currency counts come from each provider's published currency list, classified against the official ISO 4217 list (SIX Group, published 17 September 2026). Other rows were checked on 10 September 2026.
Compare plans
fastFOREX API
ExchangeRate-API
Plans & pricing
Entry paid plan
$18/mo
$10/mo
API calls included
1,000,000
30,000
Update frequency (entry plan)
60 seconds
Hourly
Fastest published updates
1 second ($54)
5 minutes ($30 Business)
Cheapest time-series plan
$18/mo (One) — every plan
No range endpoint (single-date history from $10/mo)
Currency coverage
ISO 4217 national & supranational currencies
155 of 155
151 of 155
Total currencies listed (fiat, pegged, supranational & instruments)
172
164
Cryptocurrencies
500+ (750+ pairs)
No
Metals
Precious metals
Gold, silver, platinum, palladium (from Premium, $54/mo)
None listed
Base metals
Copper, aluminium, lead, nickel, zinc
None listed
Market data
Data sources
100+ named institutional contributors
Central banks + commercial (unnamed, min. 3 per currency)
Live bid/ask quotes (2,300+ pairs)
Yes
No
OHLC candles down to the minute
Yes
No
Historical data depth
55+ years (1970, to the minute)
30+ years (daily)
Streaming & AI
WebSocket streaming
Premium + WS plan
No
MCP server for AI agents (official)
Yes
None found
Account & support
Sign-in options
Google, GitHub, email
Email + password only
Multiple API keys
Multiple keys (live, dev, test)
Not stated
Multiple users / team access
You can add other users & accounting email addresses
Not stated
Support
365 days/yr
Email (paid plans)
Data that never sleeps
Midpoint rates every 60, 30 or 1 second by plan — and crypto every second on every plan. If your app shows a price, it should be the current one.
Trading-grade market data
Beyond midpoint rates: live bid/ask on 2,300+ pairs, OHLC candles down to the minute, real-time gold and metals, and over 55 years of history for backtesting.
A million calls, one price
Every fastFOREX API plan includes 1,000,000 API calls per month from $18. No metering anxiety, no surprise overage bills.
Built for the AI era
A native MCP server connects ChatGPT, Claude, Gemini and your agents straight to live FX data, with 25 tools including six for metals.
Switch in under an hour.
Both APIs speak JSON over HTTPS, so migrating from ExchangeRate-API is usually a base-URL and response-shape change. Follow the migration guide, run both side by side on your free trial, and cut over when the numbers check out.
"We had intermittent failures with our previous currency exchange API provider. We switched to fastFOREX — setup was easy, and we always get fast response times. That's all we need."
Esteban Tósta
Beyond Bath & Bed — switched to fastFOREX API
Switching questions.
What developers ask when moving from ExchangeRate-API.
How hard is it to migrate from ExchangeRate-API?
Can I test both side by side?
Where does fastFOREX API data come from?
What if I need more than a million calls?
ExchangeRate-API vs fastFOREX API: what's the main difference?
How does ExchangeRate-API pricing compare?
ExchangeRate-API says its data isn't for trading. Is yours?
Sources & verification
Competitor figures were taken from the public pages below, last verified 2 October 2026 (pricing rows 10 September 2026). Plans and prices may have changed since.
- ExchangeRate-API — Plans & Pricing — retrieved 10 September 2026
- ExchangeRate-API — Our Data — retrieved 10 September 2026
- ExchangeRate-API — Sign in — retrieved 2 October 2026
- ExchangeRate-API — Supported currency codes — retrieved 2 October 2026
- ExchangeRate-API — Historical data requests — retrieved 2 October 2026
Read how we compare providers. ExchangeRate-API is a trademark of its owner; we reference it only to describe a factual comparison. Spot something outdated? Tell us and we'll correct it promptly.
When hourly midpoints stop being enough.
60-second to 1-second updates, live bid/ask, OHLC, metals and an MCP server — from $18/month.