Official UPS developer API suite. OAuth token is required for calls.
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Endpoints are live on onlinetools and wwwcie hosts. Without auth, OAuth token endpoint returns 400 (10400) and tracking returns 401 (250002).
Last verified: February 8, 2026
Public test lab configuration summary for this API.
https://onlinetools.ups.com/Methods
Verified endpoint examples
/api/track/v1/details/{inquiryNumber}Track shipment details
Returns tracking details by inquiry number. Returns 401 with missing/invalid token.
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