---
title: "Changes to Submit a Transaction"
method: POST
path: "/transactions"
---

# Changes to Submit a Transaction

`POST /transactions`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 11 of 57 revisions.

- **2025-09-22** `ef376ce0d11f`: 1 info
- **2025-09-22** `04fb304815f2`: 1 warning
- **2025-08-07** `f20439279859`: 1 warning, 1 info
- **2025-08-07** `ebfa18ff435c`: 1 warning, 1 info
- **2025-08-07** `2136706a5203`: 1 info
- **2023-04-28** `866fe2544577`: 1 info
- **2022-04-21** `ab44cd3bb026`: 3 breaking, 1 info
- **2022-02-07** `a23622766b93`: 1 info
- **2022-01-31** `7dfe2dc54c38`: 2 breaking, 2 warning
- **2021-12-15** `42a903ac5aa9`: 17 breaking, 1 info
- **2021-11-24** `eaf3f5a95d48`: 5 warning, 7 info

## Changes

- **2025-09-22** `ef376ce0d11f`: 1 info
  - added the optional property `result/metadata` to the response with the `201` status
- **2025-09-22** `04fb304815f2`: 1 warning
  - removed the optional property `result/metadata` from the response with the `201` status
- **2025-08-07** `f20439279859`: 1 warning, 1 info
  - removed the optional property `result/executor_metadata` from the response with the `201` status
  - added the optional property `result/metadata` to the response with the `201` status
- **2025-08-07** `ebfa18ff435c`: 1 warning, 1 info
  - removed the optional property `result/execution_metadata` from the response with the `201` status
  - added the optional property `result/executor_metadata` to the response with the `201` status
- **2025-08-07** `2136706a5203`: 1 info
  - added the optional property `result/execution_metadata` to the response with the `201` status
- **2023-04-28** `866fe2544577`: 1 info
  - added the required property `result/collection_id` to the response with the `201` status
- **2022-04-21** `ab44cd3bb026`: 3 breaking, 1 info
  - the `arguments/items/` request property format changed from `byte` to `base64`
  - the `script` request property format changed from `byte` to `base64`
  - the `script` response's property format changed from `byte` to `base64` for status `201`
  - added the optional property `result/execution` to the response with the `201` status
- **2022-02-07** `a23622766b93`: 1 info
  - added the required property `result/status_code` to the response with the `201` status
- **2022-01-31** `7dfe2dc54c38`: 2 breaking, 2 warning
  - removed the required property `envelope_signatures/items/signer_index` from the response with the `201` status
  - removed the required property `payload_signatures/items/signer_index` from the response with the `201` status
  - removed the request property `envelope_signatures/items/signer_index`
  - removed the request property `payload_signatures/items/signer_index`
- **2021-12-15** `42a903ac5aa9`: 17 breaking, 1 info
  - the `envelope_signatures/items/key_index` request property type changed from `integer` to `string`
  - the `envelope_signatures/items/signer_index` request property type changed from `integer` to `string`
  - the `gas_limit` request property type changed from `integer` to `string`
  - the `payload_signatures/items/key_index` request property type changed from `integer` to `string`
  - the `payload_signatures/items/signer_index` request property type changed from `integer` to `string`
  - the `proposal_key/key_index` request property type changed from `integer` to `string`
  - the `proposal_key/sequence_number` request property type changed from `integer` to `string`
  - the `envelope_signatures/items/key_index` response's property type changed from `integer` to `string` for status `201`
  - the `envelope_signatures/items/signer_index` response's property type changed from `integer` to `string` for status `201`
  - the `gas_limit` response's property type changed from `integer` to `string` for status `201`
  - the `payload_signatures/items/key_index` response's property type changed from `integer` to `string` for status `201`
  - the `payload_signatures/items/signer_index` response's property type changed from `integer` to `string` for status `201`
  - the `proposal_key/key_index` response's property type changed from `integer` to `string` for status `201`
  - the `proposal_key/sequence_number` response's property type changed from `integer` to `string` for status `201`
  - the `result/computation_used` response's property type changed from `integer` to `string` for status `201`
  - the `result/events/items/event_index` response's property type changed from `integer` to `string` for status `201`
  - the `result/events/items/transaction_index` response's property type changed from `integer` to `string` for status `201`
  - the response property `_expandable` became required for the status `201`
- **2021-11-24** `eaf3f5a95d48`: 5 warning, 7 info
  - removed the optional property `_expandable/authorizers` from the response with the `201` status
  - removed the optional property `_expandable/envelope_signatures` from the response with the `201` status
  - removed the optional property `_expandable/payload_signatures` from the response with the `201` status
  - removed the optional property `_expandable/proposal_key` from the response with the `201` status
  - removed the optional property `result/_expandable` from the response with the `201` status
  - added the optional property `_links/_self` to the response with the `201` status
  - added the optional property `result/_links/_self` to the response with the `201` status
  - the response property `authorizers` became required for the status `201`
  - the response property `envelope_signatures` became required for the status `201`
  - the response property `payload_signatures` became required for the status `201`
  - the response property `proposal_key` became required for the status `201`
  - the response property `result/events` became required for the status `201`

---

[Operation](https://skmtc.dev/onflow/apis/access-api/docs/transactions/post.md) - [API](https://skmtc.dev/onflow/apis/access-api.md) - [Page](https://skmtc.dev/onflow/apis/access-api/changes/transactions/post)