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I may be asking an odd question, but webmasters seem like a decent place to post this.

I'm in the search for an accurate, easy API (such as using JSON or XML) so I can use my web application.

I've been trying Google's secret API, but it's dependency isn't that good because of parsing the string (weird JSON format that PHP sometimes return incorrect data or truncates the string due to parsing error, but Google's API is fair but can be improved.

So, all I'm asking is your current best currency API out there, I want to have them to include documented API so I can use it with PHP.

Cheers.

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closed as not constructive by John Conde Dec 18 '12 at 14:15

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Do you mean API or datasource? –  Peter Taylor Nov 15 '11 at 9:35

1 Answer 1

We looked at this for an implementation earlier this year. We considered 2:

European Central Bank

  • refer : ECB
  • free
  • lists exchange rates against the Euro
  • Limited number of currencies

XE

  • refer : XE
  • USD540 a year for daily lookups
  • available for a variety of base currencies
  • very wide currency support

In the end, we went with XE, as we needed to support some currencies the ECB didn't have.

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