On Ramp URL Generator
Build a signed On Ramp page URL for browser redirect (not an API request).
1. Redirect parameters
On Ramp page integration: all URL parameters are signed; timestamp is auto-generated; sign is appended last.
Base URL
Signing Secret
Signed locally only; not sent with the request.
Required Parameters
appId, timestamp, merchantOrderNo, and sign are required. Parameters are signed in dictionary key order; empty values are excluded.
Optional Parameters
2. Signature result
Final URL format: Base URL + sorted query string + sign.
Request URL
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Sorted query string (without sign)
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String to sign
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sign-String (raw Base64)
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