What's New?
The VAS Developer API is updated and enhanced on a regular basis to add new endpoints and address any bugs. View summaries of VAS Developer API and Help updates below:
January 2023
- The POST lame and GET lame endpoints were updated to include digitalDermatitisStage details.
- The Bulk endpoints were updated to specify that the pen returned in the response is the animal's pen when the event occurred.
- The following Data Disclaimer was added to the VAS Developer API Help:
The VAS Developer API is designed to align with industry standards, including NAABNational Association of Animal Breeders. www.naab-css.org and ICAR
International Committee for Animal Recording (ICAR) is a global organization focused on the standardization of animal identification, recording, genetic evaluation, and data management.. However, due to the customizable nature of VAS applications, we cannot guarantee that our users' data comply with industry standards. VAS partners' use of the API is at their sole discretion and risk. The VAS Developer API is provided "as is," including any potential errors or missing data.
July 2022
- The VAS Developer API Help was updated to specify status details for animals returned in most GET endpoints in Advanced Partner Resources, Animals Resource, and Bulk Data Resources. Animals in the system can be in a status of live, sold, or dead.
April 2022
- Added the Diseases reference page, which includes ICAR health codes and their associated VAS health events.
- Updated the measurements Endpoint to include more details for the flag data point, which indicates whether supported Partner animal measurements need to be converted into VAS standard items. Converted items can then be used in DairyComp or PULSE commands.

May 2021
- The {animal-id}/events/lame endpoint was updated to include a new data point: remark.
- The {dairyCowId} endpoint was updated to include a new data point: speciesType.
- The {dairyCowId}/events/bred endpoint was updated to exclude outdated information: responsible data.
- The ICAR reference page was updated to note that while most VAS Developer API endpoints follow ICAR guidelines, some older endpoints do not.
- The reproduction endpoints were updated to correct the lastHeatEventDate definition and to add lastBredEventDate.
- The name of the vaccinations endpoint was updated.
March 2021
- Animal identification details (alternativeIdentifier) were updated and standardized throughout the VAS Developer API.
February 2021
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Animal identification data is now available by herd, by pen, or by zone.
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Added a new Type endpoint: breed-codes.
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Additional data points were added to the reproduction endpoints: by herd, by pen, and by zone.
January 2021
- Added new Animals endpoints: lame, measurements, trim.
- Added new Bulk endpoints: arrivals, births, culture, do-not-breeds, lame, mastitis, pneumonia, vaccination.
- Added new endpoints to capture custom item and event data: custom-event-names, custom-events, custom-item-names, custom-items.
- The API Help was updated to include two new reference topics: Cow Breeds and ICAR Standards.
December 2020
- Added several Bulk Data Resources: inseminations, ketosis, metritis, milk-fever, ok, pregnancy-checks, retained-placenta, and test-day-results.
- The Advanced Partner Resources reproduction data is now available by pen and zone.
- Additional data points were added to the departures endpoint.
October 2020
- The Bulk Data Resources topic was added, and includes the following endpoints: abortions, deaths, departures, drying-offs, and heats.
- The deliveries Endpoint was updated to include additional bacteria data.
- The reproduction endpoint was updated to include pen data.
September 2020
- The VAS Developer API Help was updated to include the VAS Developer API Data Access Levels reference topic.
- The Advanced Partner Resources and reproduction endpoint were added.
August 2020
- The calves/grower Endpoint was added to the Animals Resource.
- The deliveries Endpoint was updated to include loadId and tankNumber in the request.
- The dairies Endpoint was updated to include country and stateProvince.
- The {dairyId}/pens/{penId}/animals Endpoint was updated to include the following details: isoId, electronicId, isMale, birthDate.
- The
include
query parameter was refactored in multiple endpoints, and is nowincludeAnimalsInState
.
July 2020
- The include query parameter was added to the animals/calves endpoint.
June 2020
- The {penId}/animals Endpoint was added.
- A Reference section was added to the VAS Developer API Help.
- The VAS Developer API was updated to add the Creameries Resource and deliveries Endpoint.
- cowName data was added to the calves Endpoint.
May 2020
The VAS Developer API was updated to add the dairies Endpoint to capture dairies connected to the vendor integration.
February 2020
The {dairyCowId} Endpoint was updated to provide the following additional parentage data points:
- DamNumber
- DamRegistrationId
January 2020
The {dairyCowId} Endpoint was updated to provide the following additional data points related to an animal's breeding events and medical treatments:
- BreedingSire
- BullPenDate
- ConceptionSire
- HospitalDate
- LastTreatmentDate
- PregOpenDate
- PreviousConceptionDate
- PreviousPenNumber
- RecheckDate
- Sire
October 2019
The API Help was updated to clarify date and time formatting in VAS Developer API responses. See Date/Time Formatting for more information. No API updates were made for this release.
Release/1.16.1
API Release Date: 09/26/19
The API Help was updated to clarify calves Endpoint data. No API updates were made for this release.
Release/1.16.0
API Release Date: September 19, 2019
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The VAS API was updated to include the following new endpoint: calves Endpoint. Additional updates were made to address minor bugs.
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The API Help was updated to add a new Animals Resource topic and updated diagram for VAS Developer API Resources.
Release/1.15.1
API Release Date: August 29, 2019
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The API Help was updated to more clearly differentiate animal identification data. See the definitions of dairyCowId, cowNumber, displayCowNumber, EID
15-digit electronic ID number associated with the animal eartag, and isoId in {dairyCowId} Endpoint to view the updates.
Release/1.15.0
API Release Date: August 22, 2019
The VAS API was updated to include the following new endpoints:
Release/1.14.0
API Release Date: July 25, 2019
The VAS API was updated to address minor bugs. Also, the API Help was updated to include query parameter information and additional sample requests in the following topics:
-
{dairyCowId}/events Endpoint
Release/1.13.0
API Release Date: June 27, 2019
Added a new {dairyCowId}/events endpoint. See {dairyCowId}/events Endpoint and Event Details for more information.
Release/1.12.0
API Release Date: May 30, 2019
The VAS Developer API was updated to address minor bugs.
Release/1.10.0
API Release Date: April 4, 2019
The VAS Developer API Help is now available for developer preview. Please submit any feedback or input to integrations@vas.com.
Last Built: November 21, 2024

The VAS Developer API is designed to align with industry standards, including NAAB National Association of Animal Breeders. www.naab-css.org and ICAR
International Committee for Animal Recording (ICAR) is a global organization focused on the standardization of animal identification, recording, genetic evaluation, and data management.. However, due to the customizable nature of VAS applications, we cannot guarantee that our users' data comply with industry standards. VAS partners' use of the API is at their sole discretion and risk. The VAS Developer API is provided "as is," including any potential errors or missing data.