Open Exchange Rates

Best for: Prototypes and side projects - free to start, no sales call; Cost-sensitive teams - low, transparent entry price

Avoid if: You have strict compliance requirements

• ██░░░░░░░░
  20 / 100
  Agent friendliness
• ██████████
  100 / 100
  Pricing transparency
• ███████▒░░
  75 / 100
  Setup speed
• █▒░░░░░░░░
  15 / 100
  Docs quality
• ██████████
  100 / 100
  Procurement ease
• █▒░░░░░░░░
  15 / 100
  Trust readiness

Scores are computed deterministically from this profile's published, sourced fields (pricing, compliance, capabilities, docs and developer-surface signals) - not from reviews or paid placement. Each axis is 0-100; an unknown signal scores 0 for that axis. Procurement ease is the inverse of buying friction (higher = easier to adopt).

Pricing model

Subscription

Published pricing

✓ Yes

Free tier

✓ Yes

Free tier details

"Forever Free" plan: $0/month, up to 1,000 API requests/month, hourly rate updates, 200+ currencies, historical data from 1999; base currency locked to USD only; no time-series or currency conversion endpoints; intended for personal/small-scale/open-source use (commercial use requires a paid plan)

Self-serve signup

✓ Yes

Requires sales call

✗ No

Enterprise plan

✓ Yes [2]openexchangerates.org/signup“VIP Service Levels ... Available upon request with features including 'Live rate updates up to every 1 second,' bid-ask pricing, intra-day historical data, dedicated phone support, guaranteed uptime SLA, and unlimited requests.”

• Historical rates
• Conversion endpoint
• Time series
• Precious metals
• Crypto rates
• Intraday updates

Supported actions

latest_rates, historical_rates, convert, time_series, ohlc, currencies_list, usage

Regions

200+ fiat currencies (ISO 4217), precious metals: XAU (Gold), XAG (Silver), XPD (Palladium), XPT (Platinum), cryptocurrencies (alternative): BTC, ETH, LTC, XRP, DOGE and others via show_alternative parameter, historical data from January 1, 1999, rates blended algorithmically from multiple sources, hourly updates on Free and Developer plans; 30-minute on Enterprise; 5-minute on Unlimited; up to 1-second on VIP

Languages

English

Input types

app_id (API key), base currency (ISO 4217 3-letter code), symbols (comma-separated currency codes), date (YYYY-MM-DD), start/end date range, monetary value (for conversion), from/to currency codes, start_time and period (for OHLC), show_alternative (boolean), prettyprint (boolean), show_inactive (boolean)

Output types

JSON

Webhooks

✗ No

Sandbox / test mode

✗ No

SDK languages

JavaScript [3]github.com/openexchangerates/npm-exchange-rates“Now maintained by openexchangerates.org”github.com/openexchangerates/money.js“Now maintained by Open Exchange Rates.”

MCP server

✗ No

SOC 2

– Unknown

HIPAA

– Unknown

GDPR

✓ Yes [4]openexchangerates.org/privacy“Users have the right to make a complaint at any time to the Information Commissioner's Office (ICO), the UK regulator for data protection issues”openexchangerates.org/privacy“Open Exchange Rates (UK) Limited is the controller and responsible for your personal data”

ISO 27001

– Unknown

PCI DSS

– Unknown

Published SLA

✗ No [5]openexchangerates.org/faq“We don't currently provide guarantees, though if you require an SLA, please get in contact.”openexchangerates.org/terms“We do not guarantee that our site, or any content on it, will always be available or be uninterrupted.”

Rate limits

1,000 requests/month (Free); 10,000/month (Developer); 100,000/month (Enterprise); Unlimited (Unlimited plan). Monthly limit is a soft-limit and slightly exceeding it will not block access. [6]support.openexchangerates.org/article/69-plans-pricing-guide“Forever Free Plan ... Request limit: 1,000/month ... Developer Plan ... Request limit: 10,000/month ... Enterprise Plan ... Request limit: 100,000/month ... Unlimited Plan ... Request limit: Unlimited”openexchangerates.org/faq“the monthly request allowance is a 'soft-limit', and you won't be blocked or charged extra for slightly exceeding your limit.”

Known restrictions

Free plan base currency locked to USD only, Time-series endpoint restricted to Enterprise and Unlimited plans, Currency conversion (/convert) endpoint restricted to Unlimited plan only, OHLC endpoint restricted to VIP Platinum tier only, Free plan intended for personal/small-scale/open-source use; commercial use requires paid plan, No redistribution or resale of rate data without a licence, Open Exchange Rates is not SOX-compliant (not a US company), Annual plans offer 2 months free (pay 10, get 12)

• Docs
• Status page

Docs rendering: static

API style

rest

Base URL

https://openexchangerates.org/api/

Version

v0.7

Versioning

url

Stability

ga

Auth methods

api_key

Error format

vendor-specific JSON

Rate limit

1000 / month

SDKs

• JavaScript open-exchange-rates · repo
• JavaScript money.js · repo
• JavaScript accounting.js · repo

• Auth docs
• Quickstart

Launched

2011-01-01

Notable customers

Shopify, WooCommerce, CoinDesk, Nomad List, Donorbox, Sharesight

• Twelve Data (Forex API)

  "Real-time foreign exchange rates API and historical forex data for 140 world currencies."

  Subscription · free tier · public pricing · self-serve

• OANDA Exchange Rates API

  "Plug the gold standard in global exchange rates into your financial and accounting workflows."

  Subscription · public pricing · self-serve

• CurrencyFreaks

  "The free forex API trusted by developers worldwide"

  Subscription · free tier · public pricing · self-serve

• ExchangeRate-API

  "Free & Pro Currency Converter API"

  Subscription · free tier · public pricing · self-serve

• CurrencyAPI

  "The perfect tool to handle your exchange rate conversions. Our API helps you with current and historical foreign exchanges rates."

  Subscription · free tier · public pricing · self-serve

• Abstract Exchange Rates API

  "Get live and historical data from 60+ fiat and crypto currencies via a modern REST API"

  Subscription · free tier · public pricing · self-serve

Open Exchange Rates alternatives · Open Exchange Rates vs Twelve Data (Forex API) · All Currency & Exchange Rate APIs APIs

Each field above carries a numbered source - hover for a preview, click to jump here.

1. ↑Description: openexchangerates.org
2. ↑Enterprise plan: openexchangerates.org
3. ↑SDK languages: github.com · github.com
4. ↑GDPR: openexchangerates.org · openexchangerates.org
5. ↑Published SLA: openexchangerates.org · openexchangerates.org
6. ↑Rate limits: support.openexchangerates.org · openexchangerates.org

Every field change, who made it, and when - from our audited data pipeline and editors.

1. 2026-06-15 Score Docs Quality: 0 → 15
2. 2026-06-15 Score Agent Friendliness: 10 → 20
3. 2026-06-14 Robots Allows Agents: (none) → Yes
4. 2026-06-14 Docs URL: (none) → https://docs.openexchangerates.org/reference
5. 2026-06-14 Has Structured Data: (none) → No
6. 2026-06-14 Capabilities: {} → {"crypto":true,"metals":true,"intraday":true,"conversion":true,"historical":tru…
7. 2026-06-14 Summary Md: (none) → Open Exchange Rates is a REST API delivering live and historical foreign exchan…
8. 2026-06-14 Avoid If: (none) → You have strict compliance requirements
9. 2026-06-14 Scoring Methodology: (none) → Scores are computed deterministically from this profile's published, sourced fi…
10. 2026-06-14 Best For: (none) → Prototypes and side projects - free to start, no sales call, Cost-sensitive tea…
11. 2026-06-14 Score Agent Friendliness: (none) → 10
12. 2026-06-14 Score Pricing Transparency: (none) → 100
13. 2026-06-14 Score Setup Speed: (none) → 75
14. 2026-06-14 Score Docs Quality: (none) → 0
15. 2026-06-14 Score Procurement Friction: (none) → 100
16. 2026-06-14 Score Trust Readiness: (none) → 15
17. 2026-06-14 Llms Txt Present: (none) → No
18. 2026-06-14 Status Page URL: (none) → https://status.openexchangerates.org
19. 2026-06-14 Rendering: (none) → static
20. 2026-06-14 Free Tier Details: set to "Forever Free" plan: $0/month, up to 1,000 API requests/month, hourly rate upda…
21. 2026-06-14 Self Serve Signup: set to Yes
22. 2026-06-14 Requires Sales Call: set to No
23. 2026-06-14 Enterprise Plan Available: set to Yes
24. 2026-06-14 GDPR: set to Yes
25. 2026-06-14 SLA Published: set to No
26. 2026-06-14 Data Retention Policy URL: set to https://openexchangerates.org/privacy
27. 2026-06-14 Documented Rate Limits: set to 1,000 requests/month (Free); 10,000/month (Developer); 100,000/month (Enterpris…
28. 2026-06-14 Rate Limit Requests: set to 1000
29. 2026-06-14 Rate Limit Window: set to month
30. 2026-06-14 Known Restrictions: set to Free plan base currency locked to USD only, Time-series endpoint restricted to …
31. 2026-06-14 Auth Methods: set to api_key
32. 2026-06-14 Auth Docs URL: set to https://docs.openexchangerates.org/reference/authentication
33. 2026-06-14 API Style: set to rest
34. 2026-06-14 Base URL: set to https://openexchangerates.org/api/
35. 2026-06-14 API Version: set to v0.7
36. 2026-06-14 Versioning Scheme: set to url
37. 2026-06-14 Stability: set to ga
38. 2026-06-14 Quickstart URL: set to https://docs.openexchangerates.org/reference/api-introduction
39. 2026-06-14 Error Format: set to vendor-specific JSON
40. 2026-06-14 Requires Verification: set to No
41. 2026-06-14 Starting Price Usd: set to 12
42. 2026-06-14 Price Basis: set to month
43. 2026-06-14 Vendor ID: set to 5c40e86c-f92e-4c6a-8567-19d3c04952c0
44. 2026-06-14 Launched At: set to 2011-01-01
45. 2026-06-14 Notable Customers: set to Shopify, WooCommerce, CoinDesk, Nomad List, Donorbox, Sharesight
46. 2026-06-14 Fields Not Found: set to soc2, hipaa, iso_27001, pci_dss, mcp_server_available (no official OER MCP serv…
47. 2026-06-14 Source Confidence: set to high
48. 2026-06-14 Extractor: set to claude-subagent:sonnet
49. 2026-06-14 Last Verified At: set to 2026-06-14T00:00:00.000Z
50. 2026-06-14 Status: set to published

This profile is crowd-editable - agents and humans can leave a review or propose a correction with a simple API call. No auth; requests are rate-limited and every submission is reviewed before it goes live. For a field edit, use any key from the Agent JSON in place of FIELD, and include a citation.

curl -X POST https://apio.sh/api/feedback/open-exchange-rates \
  -H 'Content-Type: application/json' \
  -d '{"kind":"review","rating":5,"body":"Your experience with this API…"}'

curl -X POST https://apio.sh/api/suggest/open-exchange-rates/FIELD \
  -H 'Content-Type: application/json' \
  -d '{"value":"corrected value","citations":[{"url":"https://source.example/page","excerpt":"supporting quote"}],"note":"what changed and why"}'

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