---
title: "Changes to HD Compatibility"
method: POST
path: "/human-design/compatibility"
---

# Changes to HD Compatibility

`POST /human-design/compatibility`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 4 of 13 revisions.

- **2026-08-24** `8ab5a768b521` — 7 breaking, 51 info
- **2026-08-18** `dd3764875e7a` — 2 info
- **2026-08-15** `e637d1a9911b` — 4 warning
- **2026-08-11** `b0533bcc12c0` — 8 breaking, 8 warning, 4 info

## Changes

- **2026-08-24** `8ab5a768b521` — 7 breaking, 51 info
  - the response property `data/companionship/items/` became nullable for the status `200`
  - the response property `data/dominance/items/` became nullable for the status `200`
  - the response property `data/electromagnetic/items/` became nullable for the status `200`
  - the `data/companionship/items/` response's property type/format changed from ``/`` to `object`/`` for status `200`
  - the `data/connections/items/person1Gates/items/` response's property type/format changed from `number`/`` to ``/`` for status `200`
  - the `data/dominance/items/` response's property type/format changed from ``/`` to `object`/`` for status `200`
  - the `data/electromagnetic/items/` response's property type/format changed from ``/`` to `object`/`` for status `200`
  - added the optional property `data/chart1/activations` to the response with the `200` status
  - added the optional property `data/chart1/authority` to the response with the `200` status
  - added the optional property `data/chart1/centers` to the response with the `200` status
  - added the optional property `data/chart1/channels` to the response with the `200` status
  - added the optional property `data/chart1/cross` to the response with the `200` status
  - added the optional property `data/chart1/definition` to the response with the `200` status
  - added the optional property `data/chart1/designActivations` to the response with the `200` status
  - added the optional property `data/chart1/designJd` to the response with the `200` status
  - added the optional property `data/chart1/input` to the response with the `200` status
  - added the optional property `data/chart1/notSelfTheme` to the response with the `200` status
  - added the optional property `data/chart1/personalityActivations` to the response with the `200` status
  - added the optional property `data/chart1/personalityJd` to the response with the `200` status
  - added the optional property `data/chart1/profile` to the response with the `200` status
  - added the optional property `data/chart1/strategy` to the response with the `200` status
  - added the optional property `data/chart2/activations` to the response with the `200` status
  - added the optional property `data/chart2/authority` to the response with the `200` status
  - added the optional property `data/chart2/centers` to the response with the `200` status
  - added the optional property `data/chart2/channels` to the response with the `200` status
  - added the optional property `data/chart2/cross` to the response with the `200` status
  - added the optional property `data/chart2/definition` to the response with the `200` status
  - added the optional property `data/chart2/designActivations` to the response with the `200` status
  - added the optional property `data/chart2/designJd` to the response with the `200` status
  - added the optional property `data/chart2/input` to the response with the `200` status
  - added the optional property `data/chart2/notSelfTheme` to the response with the `200` status
  - added the optional property `data/chart2/personalityActivations` to the response with the `200` status
  - added the optional property `data/chart2/personalityJd` to the response with the `200` status
  - added the optional property `data/chart2/profile` to the response with the `200` status
  - added the optional property `data/chart2/strategy` to the response with the `200` status
  - added the optional property `data/combinedDefinedCenters` to the response with the `200` status
  - added the optional property `data/combinedDefinition` to the response with the `200` status
  - added the optional property `data/companionship/items/centerA` to the response with the `200` status
  - added the optional property `data/companionship/items/centerB` to the response with the `200` status
  - added the optional property `data/companionship/items/gate1` to the response with the `200` status
  - …18 more
- **2026-08-18** `dd3764875e7a` — 2 info
  - added the new optional request property `chart1/ayanamsa`
  - added the new optional request property `chart2/ayanamsa`
- **2026-08-15** `e637d1a9911b` — 4 warning
  - the `chart1/timezoneOffset` request property's max was set to `14.00`
  - the `chart2/timezoneOffset` request property's max was set to `14.00`
  - the `chart1/timezoneOffset` request property's min was set to `-14.00`
  - the `chart2/timezoneOffset` request property's min was set to `-14.00`
- **2026-08-11** `b0533bcc12c0` — 8 breaking, 8 warning, 4 info
  - the request property `chart1/latitude` became not nullable
  - the request property `chart1/longitude` became not nullable
  - the request property `chart2/latitude` became not nullable
  - the request property `chart2/longitude` became not nullable
  - the request property `chart1/latitude` became required
  - the request property `chart1/longitude` became required
  - the request property `chart2/latitude` became required
  - the request property `chart2/longitude` became required
  - the `chart1/latitude` request property's max was set to `90.00`
  - the `chart1/longitude` request property's max was set to `180.00`
  - the `chart2/latitude` request property's max was set to `90.00`
  - the `chart2/longitude` request property's max was set to `180.00`
  - the `chart1/latitude` request property's min was set to `-90.00`
  - the `chart1/longitude` request property's min was set to `-180.00`
  - the `chart2/latitude` request property's min was set to `-90.00`
  - the `chart2/longitude` request property's min was set to `-180.00`
  - the `latitude` request property default value `0` was removed
  - the `latitude` request property default value `0` was removed
  - the `longitude` request property default value `0` was removed
  - the `longitude` request property default value `0` was removed

---

[Operation](https://skmtc.dev/astroway/apis/astroway-calculation-api/docs/human-design/compatibility/post.md) · [API](https://skmtc.dev/astroway/apis/astroway-calculation-api.md) · [Page](https://skmtc.dev/astroway/apis/astroway-calculation-api/changes/human-design/compatibility/post)