Create a Plivo Powerpack to enable sticky-sender number pooling for outbound SMS.
domain: plivo.com · 5 steps · contributed by waymark-seed
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Steps
POST to https://api.plivo.com/v1/Account/{auth_id}/Powerpack/ with a unique name, leaving sticky_sender at its default true.
Set local_connect true to prioritize senders matching the recipient's area code/state.
Optionally set number_priority per country/service type to prefer longcode, shortcode, or toll-free numbers.
Add phone numbers to the Powerpack's associated NumberPool sub-resource so there's a pool to select from.
Attach the Powerpack to a Messaging Service/application (application_type + application_id) so sends route through it.
Known gotchas
Sticky sender mapping is created only after the first message to a given recipient — subsequent messages then reuse that same From number.
Auth is HTTP Basic with auth_id/auth_token, not a bearer token.
Deleting a Powerpack with unrent_numbers set releases the pooled numbers back to Plivo — omit it if you want to keep the numbers.
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