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feat: allow PATCH in http_request for non-replicated calls #6245

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feat: allow PATCH in http_request for non-replicated calls #6245

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2 changes: 1 addition & 1 deletion docs/references/_attachments/ic.did
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Expand Up @@ -344,7 +344,7 @@ type deposit_cycles_args = record {
type http_request_args = record {
url : text;
max_response_bytes : opt nat64;
method : variant { get; head; post; put; delete };
method : variant { get; head; post; put; delete; patch };
headers : vec http_header;
body : opt blob;
transform : opt record {
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3 changes: 3 additions & 0 deletions docs/references/_attachments/interface-spec-changelog.md
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@@ -1,5 +1,8 @@
## Changelog {#changelog}

### 0.62.0 (2025-06-03) {$0_62_0}

@mraszyk mraszyk Jun 3, 2026

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The date should be updated and this PR merged when the feature is rolled out on mainnet.

* Support for the HTTP method `PATCH` in canister `http_request` in non-replicated mode.

### 0.61.0 (2025-05-18) {$0_61_0}
* New management canister endpoint `canister_metrics`.

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4 changes: 2 additions & 2 deletions docs/references/ic-interface-spec.md
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Expand Up @@ -3046,7 +3046,7 @@ In the replicated mode, the responses for all identical requests must match, too

For this reason, the calling canister can supply a transformation function, which the IC uses to let the canister sanitize the responses from such unique values. The transformation function is executed separately on the corresponding response received for a request (both in replicated and non-replicated modes). Only the transformed response will be available to the calling canister.

Currently, the `GET`, `HEAD`, and `POST` methods are supported for HTTP requests. Additionally, the `PUT` and `DELETE` methods are supported in non-replicated mode only. `PUT` and `DELETE` are restricted to non-replicated mode to avoid confusing race conditions that may occur with replicated execution.
Currently, the `GET`, `HEAD`, and `POST` methods are supported for HTTP requests. Additionally, the `PUT`, `DELETE`, and `PATCH` methods are supported in non-replicated mode only. `PUT`, `DELETE`, and `PATCH` are restricted to non-replicated mode to avoid confusing race conditions that may occur with replicated execution.

It is important to note the following for the usage of the `POST` method:

Expand All @@ -3070,7 +3070,7 @@ The following parameters should be supplied for the call:

- `max_response_bytes` - optional, specifies the maximal size of the response in bytes. If provided, the value must not exceed `2MB` (`2,000,000B`). The call will be charged based on this parameter. If not provided, the maximum of `2MB` will be used.

- `method` - currently, `GET`, `HEAD`, and `POST` are supported. Additionally, `PUT` and `DELETE` are supported in non-replicated mode only.
- `method` - currently, `GET`, `HEAD`, and `POST` are supported. Additionally, `PUT`, `DELETE`, and `PATCH` are supported in non-replicated mode only.

- `headers` - list of HTTP request headers and their corresponding values

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