Categories · Currency & Exchange Rate APIs

Fixer (Foreign Exchange Rates API) vs Twelve Data (Forex API)

Fixer (Foreign Exchange Rates API) and Twelve Data (Forex API) are both Currency & Exchange Rate APIs, compared here on pricing, compliance, capabilities, and developer experience from structured, cited data - not reviews or paid placement. Fixer (Foreign Exchange Rates API) starts lower at $14.99 per month vs $79 for Twelve Data (Forex API). For coding-agent use, Twelve Data (Forex API) scores higher on agent-friendliness (50 vs 30).

Comparedby a transparent data-readiness score computed from each API's published, sourced fields. No reviews, no paid placement. How we rank.

Data last verified 2026-06-14, with every field cited on each profile.

Head-to-head, from published, cited fields (auto-generated; no paid placement)
Field	Fixer (Foreign Exchange Rates API)	Twelve Data (Forex API)
Starting price	$14.99 month	$79 month
Pricing model	Subscription	Subscription
Free tier	✓	✓
Self-serve signup	✓	✓
SOC 2	·	?
HIPAA	·	·
GDPR	✓	✓
Webhooks	✗	✗
Sandbox	✗	✗
Documented actions	6	33

Full data and citations: Fixer (Foreign Exchange Rates API) · Twelve Data (Forex API). See more Currency & Exchange Rate APIs.