---
title: "Changes to Flow aggregates for one contract in an exact five-minute bucket, paged at up to 25 rows; truncated reports the source 200-row ceiling. ET dates use YYYY-MM-DD."
method: GET
path: "/v1/flow/contracts/{contract_symbol}/bucket"
---

# Changes to Flow aggregates for one contract in an exact five-minute bucket, paged at up to 25 rows; truncated reports the source 200-row ceiling. ET dates use YYYY-MM-DD.

`GET /v1/flow/contracts/{contract_symbol}/bucket`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 4 revisions.

- **2026-09-23** `5f6ba5c8e653` — 1 info
- **2026-09-20** `bf1aa24fe417` — 1 info

## Changes

- **2026-09-23** `5f6ba5c8e653` — 1 info
  - for the `query` request parameter `session_date`, the type was generalized from no type to `string`, and format from no format to `date`
- **2026-09-20** `bf1aa24fe417` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/yehangshe/apis/gex-heatmap-data-api/docs/v1/flow/contracts/:contract_symbol/bucket/get.md) · [API](https://skmtc.dev/yehangshe/apis/gex-heatmap-data-api.md) · [Page](https://skmtc.dev/yehangshe/apis/gex-heatmap-data-api/changes/v1/flow/contracts/:contract_symbol/bucket/get)