Release Notes & API Docs

Parcelwise · Developer documentation · Chicago, IL

Noelle Achebe-Lund manages a shipping API and uses this to publish release notes customers can read and keep the endpoint reference current.

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Changes

New4

Validate a shipping address before buying a label2.3.0Addresses

Reprint a label without charging again2.3.0Labels

Create up to 100 shipments in one request2.4.0Shipments

Webhooks are signed with a per-account secret2.4.0WebhooksSecurity

Improved4

Faster label PDF generation2.3.0Labels

Clearer errors when a weight is missing2.4.0Shipments

Rate responses include delivery estimates2.4.0Rates

Cache carrier rates for 60 seconds2.4.1Rates

Fixed2

Tracking events show the carrier’s local time zone2.3.1Tracking

Duplicate tracking events no longer appear2.3.1TrackingWebhooks

Breaking3

Remove the /v1/track endpoints3.0.0Tracking

Remove the X-Api-Key header in favor of bearer tokens3.0.0Security

Tracking history now returns the newest event first3.0.0Tracking

Tables

Changes

13 sample rows · 8 columns

Every change that shipped or will ship: new, improved, fixed or breaking.

Change	Release	Kind	Area	Author	Pull request	Created
Validate a shipping address before buying a label	2.3.0	New	Addresses	Sabine Moreau	https://code.parcelwise.net/pull/900	—
Reprint a label without charging again	2.3.0	New	Labels	Thabo Mokoena	https://code.parcelwise.net/pull/901	—
Faster label PDF generation	2.3.0	Improved	Labels	Thabo Mokoena	https://code.parcelwise.net/pull/902	—
Tracking events show the carrier’s local time zone	2.3.1	Fixed	Tracking	Sabine Moreau	https://code.parcelwise.net/pull/903	—
Duplicate tracking events no longer appear	2.3.1	Fixed	TrackingWebhooks	Thabo Mokoena	https://code.parcelwise.net/pull/904	—
Create up to 100 shipments in one request	2.4.0	New	Shipments	Ivor Pettigrew	https://code.parcelwise.net/pull/905	—
Webhooks are signed with a per-account secret	2.4.0	New	WebhooksSecurity	Ivor Pettigrew	https://code.parcelwise.net/pull/906	—
Clearer errors when a weight is missing	2.4.0	Improved	Shipments	Thabo Mokoena	https://code.parcelwise.net/pull/907	—
Rate responses include delivery estimates	2.4.0	Improved	Rates	Sabine Moreau	https://code.parcelwise.net/pull/908	—
Cache carrier rates for 60 seconds	2.4.1	Improved	Rates	Thabo Mokoena	https://code.parcelwise.net/pull/909	—
Remove the /v1/track endpoints	3.0.0	Breaking	Tracking	Ivor Pettigrew	https://code.parcelwise.net/pull/910	—
Remove the X-Api-Key header in favor of bearer tokens	3.0.0	Breaking	Security	Ivor Pettigrew	https://code.parcelwise.net/pull/911	—

1 more rows

Releases

5 sample rows · 11 columns

Each version, when it ships, who can see it and the changes it holds.

Version	Status	Type	Audience	Release date	Highlights	Mark released
3.0.0	Planned	Major	Public	Dec 7, 2026	Removes the old tracking endpoints and the legacy auth header.	—
2.4.1	Rolling out	Patch	Internal	Oct 20, 2026	Performance work on rate lookups.	—
2.4.0	Released	Minor	Public	Sep 27, 2026	Batch shipments and webhook signing.	—
2.3.1	Released	Patch	Public	Aug 21, 2026	Fixes for time zones on tracking events.	—
2.3.0	Released	Minor	Public	Aug 4, 2026	Address validation and label reprints.	—

Endpoints

12 sample rows · 9 columns

Every endpoint of the public API, its method, path, auth and whether it is stable or deprecated.

Endpoint	Method	Path	Resource	Auth	Status	API version
Create shipment	POST	/shipments	Shipments	Bearer token	Stable	v2
Create shipments in batch	POST	/shipments/batch	Shipments	Bearer token	Beta	v2
Get shipment	GET	/shipments/{id}	Shipments	Bearer token	Stable	v2
Cancel shipment	DELETE	/shipments/{id}	Shipments	Bearer token	Stable	v2
Buy a label	POST	/labels	Labels	Bearer token	Stable	v2
Reprint a label	POST	/labels/{id}/reprint	Labels	Bearer token	Stable	v2
Validate an address	POST	/addresses/validate	Addresses	Bearer token	Stable	v2
Get rates	POST	/rates	Rates	Bearer token	Stable	v2
Get tracking history	GET	/tracking/{number}	Tracking	Bearer token	Stable	v2
Track a parcel (old)	GET	/v1/track/{number}	Tracking	API key header	Deprecated	v1
List tracking events (old)	GET	/v1/track/{number}/events	Tracking	API key header	Deprecated	v1
Register a webhook	POST	/webhooks	Webhooks	Bearer token	Stable	v2

Also included

Mark releasedRow action

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Whistle Kids	Learn by making	Sunny yellow, #F2B705
Oak Whistle Events	Rooms worth remembering	Burnt orange, #C4501B

Spring brake check postcards	Postcard	Brakes
Tire season search ads	Google Ads	Tires
Property manager fleet letters	Fleet outreach	Fleet service
Battery swap reminder texts	Text message	Batteries

Routewise	https://routewise-demo.net	Direct
FieldNest	https://fieldnest-demo.net	Direct
Tradeloop	https://tradeloop-demo.net	Indirect
Dispatchly	https://dispatchly-demo.net	Direct

Thistlewick blog	Owned	14,200
Instagram	Social	8,900
LinkedIn	Social	5,300
Weekly email	Email	11,800

Spring repotting season	Drive 400 soil and pot bundle sales	—
Low-light plants guide	Grow the newsletter by 600 subscribers	—
Winter care series	Cut winter returns by a quarter	—

Oak Barrel Cookware	$3,500	30
Spice Trail Co.	$1,800	45
Fresh Haven Meal Kits	$4,200	30
Cinder Gas Grills	$2,600	60

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