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 labelAddressesSabine Moreau

Reprint a label without charging againLabelsThabo Mokoena

Create up to 100 shipments in one requestShipmentsIvor Pettigrew

Webhooks are signed with a per-account secretWebhooksSecurityIvor Pettigrew

Improved4

Faster label PDF generationLabelsThabo Mokoena

Clearer errors when a weight is missingShipmentsThabo Mokoena

Rate responses include delivery estimatesRatesSabine Moreau

Cache carrier rates for 60 secondsRatesThabo Mokoena

Fixed2

Tracking events show the carrier’s local time zoneTrackingSabine Moreau

Duplicate tracking events no longer appearTrackingWebhooksThabo Mokoena

Breaking3

Remove the /v1/track endpointsTrackingIvor Pettigrew

Remove the X-Api-Key header in favor of bearer tokensSecurityIvor Pettigrew

Tracking history now returns the newest event firstTrackingSabine Moreau

Tables

Changes

13 sample rows · 5 columns

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

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

1 more rows

Releases

5 sample rows · 9 columns

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

Version	Status	Type	Audience	Release date	Highlights	Changes
3.0.0	Planned	Major	Public	Dec 6, 2026	Removes the old tracking endpoints and the legacy auth header.	Remove the /v1/track endpoints, Remove the X-Api-Key header in favor of bearer tokens, Tracking history now returns the newest event first
2.4.1	Rolling out	Patch	Internal	Oct 19, 2026	Performance work on rate lookups.	Cache carrier rates for 60 seconds
2.4.0	Released	Minor	Public	Sep 26, 2026	Batch shipments and webhook signing.	Create up to 100 shipments in one request, Webhooks are signed with a per-account secret, Clearer errors when a weight is missing, Rate responses include delivery estimates
2.3.1	Released	Patch	Public	Aug 20, 2026	Fixes for time zones on tracking events.	Tracking events show the carrier’s local time zone, Duplicate tracking events no longer appear
2.3.0	Released	Minor	Public	Aug 3, 2026	Address validation and label reprints.	Validate a shipping address before buying a label, Reprint a label without charging again, Faster label PDF generation

Endpoints

12 sample rows · 8 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

Oak Whistle	Design that holds up	Deep green, #1F4D3A
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	Running	Drive 400 soil and pot bundle sales
Low-light plants guide	Planning	Grow the newsletter by 600 subscribers
Winter care series	Wrapped	Cut winter returns by a quarter

Oak Barrel Cookware	Booked	$3,500
Spice Trail Co.	Delivered	$1,800
Fresh Haven Meal Kits	Negotiating	$4,200
Cinder Gas Grills	Pitched	$2,600

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