---
title: "Changes to Post Datapoint"
method: POST
path: "/datapoints"
---

# Changes to Post Datapoint

`POST /datapoints`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 27 revisions.

- **2026-08-04** `a29120dd7406`: 1 breaking, 6 warning, 4 info
- **2025-09-16** `4f984b6745db`: 5 breaking, 1 warning, 6 info

## Changes

- **2026-08-04** `a29120dd7406`: 1 breaking, 6 warning, 4 info
  - the `supplier_reference_id/anyOf[subschema #1]/` response property's maxLength was increased from `100` to `200` for the response status `200`
  - the `description` request property's maxLength was set to `500`
  - added the new `locked_activity_datapoint` enum value to the `locked_status` response property for the response status `200`
  - added the new `locked_forestry_field_measurement_datapoint` enum value to the `locked_status` response property for the response status `200`
  - added the new `locked_material_datapoint` enum value to the `locked_status` response property for the response status `200`
  - added the new `locked_model_input_datapoint` enum value to the `locked_status` response property for the response status `200`
  - added the new `locked_model_output_datapoint` enum value to the `locked_status` response property for the response status `200`
  - the `display_name` request property's maxLength was increased from `100` to `150`
  - the `supplier_reference_id` request property's maxLength was increased from `100` to `200`
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status
- **2025-09-16** `4f984b6745db`: 5 breaking, 1 warning, 6 info
  - the response property `quantity/standard_deviation` became optional for the status `200`
  - the `id` response property's maxLength was increased from `36` to `37` for the response status `200`
  - the `project_id/anyOf[subschema #1]/` response property's maxLength was increased from `36` to `37` for the response status `200`
  - the `source_ids/items/` response property's maxLength was increased from `36` to `37` for the response status `200`
  - removed the required property `measurement_location_id` from the response with the `200` status
  - removed the request property `measurement_location_id`
  - added the new optional request property `uncertainty_justification`
  - the request property `quantity/standard_deviation` became optional
  - the `project_id` request property's maxLength was increased from `36` to `37`
  - the `source_ids/items/` request property's maxLength was increased from `36` to `37`
  - added the optional property `uncertainty_justification` to the response with the `200` status
  - added the required property `locked_status` to the response with the `200` status

---

[Operation](https://skmtc.dev/isometric/apis/isometric-certify-data-ingestion-api/docs/datapoints/post.md) - [API](https://skmtc.dev/isometric/apis/isometric-certify-data-ingestion-api.md) - [Page](https://skmtc.dev/isometric/apis/isometric-certify-data-ingestion-api/changes/datapoints/post)