Lob.com Events API
When various notable things happen within the Lob architecture, Events will be created. To get these events sent to your server automatically when they occur, you can set up [Webhooks](#tag/Webhooks). Postcards EVENT TYPE LIVE-ONLY WHEN EVENT TYPE OCCURS postcard.created false A postcard is successfully created (Lob returns a 200 status code). postcard.rejected false A postcard was not successfully created (Usually happens when one or more postcards fail the creation step during a batch request) postcard.rendered_pdf false A postcard's PDF proof is successfully rendered. postcard.rendered_thumbnails false A postcard's thumbnails are successfully rendered. postcard.deleted false A postcard is successfully canceled. postcard.mailed true A postcard receives a "Mailed" tracking event. Only enabled for certain Print & Mail Editions. postcard.in_transit true A postcard receives an "In Transit" tracking event. postcard.in_local_area true A postcard receives an "In Local Area" tracking event. postcard.processed_for_delivery true A postcard receives a "Processed for Delivery" tracking event. postcard.delivered false A postcard receives a "Delivered" tracking event. postcard.failed false A postcard receives a "Failed" rendering error or tracking event. postcard.re-routed true A postcard receives a "Re-Routed" tracking event. postcard.returned_to_sender true A postcard receives a "Returned to Sender" tracking event. postcard.international_exit true A postcard receives a "International Exit" tracking event. postcard.viewed false A postcard QR code or URL was scanned or viewed by the recipient. postcard.informed_delivery.email_sent true An informed delivery email was sent to the recipient. postcard.informed_delivery.email_opened true An informed delivery email was opened by the recipient. postcard.informed_delivery.email_clicked_through true The link in an informed delivery email was clicked on. Self Mailers EVENT TYPE LIVE-ONLY WHEN EVENT TYPE OCCURS self_mailer.created false A self_mailer is successfully created (Lob returns a 200 status code). self_mailer.rejected false A self_mailer was not successfully created (Usually happens when one or more self_mailers fail the creation step during a batch request) self_mailer.rendered_pdf false A self_mailer's PDF proof is successfully rendered. self_mailer.rendered_thumbnails false A self_mailer's thumbnails are successfully rendered. self_mailer.deleted false A self_mailer is successfully canceled. self_mailer.mailed true A self_mailer receives a "Mailed" tracking event. Only enabled for certain Print & Mail Editions. self_mailer.in_transit true A self_mailer receives an "In Transit" tracking event. self_mailer.in_local_area true A self_mailer receives an "In Local Area" tracking event. self_mailer.processed_for_delivery true A self_mailer receives a "Processed for Delivery" tracking event. self_mailer.delivered true A self_mailer receives an "Delivered" tracking event. self_mailer.failed false A self_mailer receives an "Failed" rendering error or tracking event. self_mailer.re-routed true A self_mailer receives a "Re-Routed" tracking event. self_mailer.returned_to_sender true A self_mailer receives a "Returned to Sender" tracking event. self_mailer.international_exit true A self_mailer receives an "International Exit" tracking event. self_mailer.viewed false A self_mailer's QR code or URL was scanned or viewed by the recipient. self_mailer.informed_delivery.email_sent true An informed delivery email was sent to the recipient. self_mailer.informed_delivery.email_opened true An informed delivery email was opened by the recipient. self_mailer.informed_delivery.email_clicked_through true The link in an informed delivery email was clicked on. Letters EVENT TYPE LIVE-ONLY WHEN EVENT TYPE OCCURS letter.created false A letter is successfully created (Lob returns a 200 status code). letter.rejected false A letter was not successfully created (Usually happens when one or more letters fail the creation step during a batch request) letter.rendered_pdf false A letter's PDF proof is successfully rendered. letter.rendered_thumbnails false A letter's thumbnails are successfully rendered. letter.deleted false A letter is successfully canceled. letter.mailed true A letter receives a "Mailed" tracking event. Only enabled for certain Print & Mail Editions. letter.in_transit true A letter receives an "In Transit" tracking event. letter.in_local_area true A letter receives an "In Local Area" tracking event. letter.processed_for_delivery true A letter receives a "Processed for Delivery" tracking event. letter.delivered true A letter receives a "Delivered" tracking event. letter.failed false A letter receives a "Failed" rendering error or tracking event. letter.re-routed true A letter receives a "Re-Routed" tracking event. letter.returned_to_sender true A letter receives a "Returned to Sender" tracking event. letter.international_exit true A letter receives a "International Exit" tracking event. letter.viewed false A letter's QR code or URL was scanned or viewed by the recipient. letter.certified.mailed true A certified letter receives a "Mailed" tracking event. Only enabled for certain Print & Mail Editions. letter.certified.in_transit true A certified letter receives an "In Transit" tracking event. letter.certified.in_local_area true A certified letter receives an "In Transit" tracking event. letter.certified.processed_for_delivery true A certified letter receives a "Processed for Delivery" tracking event. letter.certified.re-routed true A certified letter receives a "Re-Routed" tracking event. letter.certified.returned_to_sender true A certified letter receives a "Returned to Sender" tracking event. letter.certified.delivered true A certified letter receives a "Delivered" tracking event. letter.certified.pickup_available true A certified letter receives a "Pickup Available" tracking event. letter.certified.issue true A certified letter receives an "Issue" tracking event. letter.return_envelope.created false A return envelope is created (occurs simultaneously with letter creation). letter.return_envelope.in_transit true A return envelope receives an "In Transit" tracking event. letter.return_envelope.in_local_area true A return envelope receives an "In Local Area" tracking event. letter.return_envelope.processed_for_delivery true A return envelope receives a "Processed for Delivery" tracking event. letter.return_envelope.re-routed true A return envelope receives a "Re-Routed" tracking event. letter.return_envelope.returned_to_sender true A return envelope receives a "Returned to Sender" tracking event. letter.informed_delivery.email_sent true An informed delivery email was sent to the recipient. letter.informed_delivery.email_opened true An informed delivery email was opened by the recipient. letter.informed_delivery.email_clicked_through true The link in an informed delivery email was clicked on. Checks EVENT TYPE LIVE-ONLY WHEN EVENT TYPE OCCURS check.created false A check is successfully created (Lob returns a 200 status code). check.rejected false A check was not successfully created (Usually happens when one or more checks fail the creation step during a batch request) check.rendered_pdf false A check's PDF proof is successfully rendered. check.rendered_thumbnails false A check's thumbnails are successfully rendered. check.deleted false A check is successfully canceled. check.mailed true A check receives a "Mailed" tracking event. Only enabled for certain Print & Mail Editions. check.in_transit true A check receives an "In Transit" tracking event. check.in_local_area true A check receives an "In Local Area" tracking event. check.processed_for_delivery true A check receives a "Processed for Delivery" tracking event. check.delivered true A check receives a "Delivered" tracking event. check.failed false A check receives a "Failed" rendering error or tracking event. check.re-routed true A check receives a "Re-Routed" tracking event. check.returned_to_sender true A check receives a "Returned to Sender" tracking event. check.informed_delivery.email_sent true An informed delivery email was sent to the recipient. check.informed_delivery.email_opened true An informed delivery email was opened by the recipient. check.informed_delivery.email_clicked_through true The link in an informed delivery email was clicked on. Addresses EVENT TYPE LIVE-ONLY WHEN EVENT TYPE OCCURS address.created false An address is successfully created (Lob returns a 200 status code). address.deleted false An address is successfully deleted. Bank Accounts EVENT TYPE LIVE-ONLY WHEN EVENT TYPE OCCURS bank_account.created false A bank account is successfully created (Lob returns a 200 status code). bank_account.deleted false A bank account is successfully deleted. bank_account.verified false A bank account is successfully verified. back to top