Currencylayer · Markets

Currencylayer / Rates over a date range

Daily rates between two dates. Needs a plan that includes timeframe queries (Professional or higher); other keys get an error, which looot reports as a failed run at $0. Runs on your own Currencylayer access key and the provider bills you. Currencylayer's pricing page lists HTTPS on every plan, free included; older docs said HTTPS was paid only, so a key on a very old free plan may fail on https (looot only calls https). The free plan is non-commercial.

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Published API evidence

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Request parameters

currencies query · optional
Comma separated 3-letter codes to return, e.g. EUR,GBP. Default all.
end_date query · required
Date, YYYY-MM-DD.
source query · optional
Source currency. Free plan allows USD only; switching needs Basic or higher.
start_date query · required
Date, YYYY-MM-DD.

No allowlisted official documentation or pricing reference is available.