---
title: "Changes to Query mempool for missing transactions"
method: POST
path: "/v2/mempool/query"
---

# Changes to Query mempool for missing transactions

`POST /v2/mempool/query`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 14 of 53 revisions.

- **2026-01-28** `30468ca2533f` — 1 breaking, 1 warning
- **2026-01-14** `f7f733b4a1fc` — 2 info
- **2026-01-14** `eb2153a4a3ad` — 1 breaking, 1 warning
- **2026-01-02** `96224b968a3e` — 2 info
- **2025-12-18** `97e7080a8130` — 1 breaking, 1 warning
- **2025-12-17** `db8094c96a6e` — 2 info
- **2025-12-16** `68660d89e56f` — 1 breaking, 1 warning
- **2025-12-15** `d7bba78bfcac` — 2 info
- **2025-12-04** `46bc74e5bab3` — 1 breaking, 1 warning
- **2025-07-09** `04a9a0b50aa3` — 1 info
- **2025-07-08** `488dd3b80020` — 1 breaking
- **2025-07-08** `170414634c90` — 1 info
- **2025-06-26** `2fc5956efe3d` — 1 breaking
- **2025-06-25** `87a7fe30e436` — 2 info

## Changes

- **2026-01-28** `30468ca2533f` — 1 breaking, 1 warning
  - the request's body minLength was increased from `0` to `1`
  - removed the request property `transactions`
- **2026-01-14** `f7f733b4a1fc` — 2 info
  - added the new optional request property `transactions`
  - the request's body minLength was decreased from `1` to `0`
- **2026-01-14** `eb2153a4a3ad` — 1 breaking, 1 warning
  - the request's body minLength was increased from `0` to `1`
  - removed the request property `transactions`
- **2026-01-02** `96224b968a3e` — 2 info
  - added the new optional request property `transactions`
  - the request's body minLength was decreased from `1` to `0`
- **2025-12-18** `97e7080a8130` — 1 breaking, 1 warning
  - the request's body minLength was increased from `0` to `1`
  - removed the request property `transactions`
- **2025-12-17** `db8094c96a6e` — 2 info
  - added the new optional request property `transactions`
  - the request's body minLength was decreased from `1` to `0`
- **2025-12-16** `68660d89e56f` — 1 breaking, 1 warning
  - the request's body minLength was increased from `0` to `1`
  - removed the request property `transactions`
- **2025-12-15** `d7bba78bfcac` — 2 info
  - added the new optional request property `transactions`
  - the request's body minLength was decreased from `1` to `0`
- **2025-12-04** `46bc74e5bab3` — 1 breaking, 1 warning
  - the request's body minLength was increased from `0` to `1`
  - removed the request property `transactions`
- **2025-07-09** `04a9a0b50aa3` — 1 info
  - endpoint added
- **2025-07-08** `488dd3b80020` — 1 breaking
  - api path removed without deprecation
- **2025-07-08** `170414634c90` — 1 info
  - endpoint added
- **2025-06-26** `2fc5956efe3d` — 1 breaking
  - api path removed without deprecation
- **2025-06-25** `87a7fe30e436` — 2 info
  - added the new optional request property `transactions`
  - the request's body minLength was decreased from `1` to `0`

---

[Operation](https://skmtc.dev/stacks-network/apis/stacks-3-0-rpc-api/docs/v2/mempool/query/post.md) · [API](https://skmtc.dev/stacks-network/apis/stacks-3-0-rpc-api.md) · [Page](https://skmtc.dev/stacks-network/apis/stacks-3-0-rpc-api/changes/v2/mempool/query/post)