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Tokens will time-expire (30 days10 weeks) from the time of generation.
Tokens can be generated at any time using this call. A new invitation code / secret token will be generated each time. Existing invitation codes will not be invalidated (until they time-expire).
If a record already exists and was created in a different org an HTTP 401 response might be returned.
Registration on the UK production server is performed against http://www.joinpkb.com ; parameters may be passed into this url for form pre-population if desired.
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