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how to realize streaming output in HTTP node in chatflow? #16267

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opened 2026-02-21 19:25:23 -05:00 by yindo · 1 comment
yindo commented 2026-02-21 19:25:23 -05:00
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Originally created by @jiaminglei-lei on GitHub (Aug 19, 2025).

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  • I have read the Contributing Guide and Language Policy.
  • I have searched for existing issues search for existing issues, including closed ones.
  • I confirm that I am using English to submit this report, otherwise it will be closed.
  • Please do not modify this template :) and fill in all the required fields.

1. Is this request related to a challenge you're experiencing? Tell me about your story.

In chatflow, how to realize streaming output from HTTP node?
I want to output like LLM node.
dify version: 1.3.1

2. Additional context or comments

No response

3. Can you help us with this feature?

  • I am interested in contributing to this feature.
Originally created by @jiaminglei-lei on GitHub (Aug 19, 2025). ### Self Checks - [x] I have read the [Contributing Guide](https://github.com/langgenius/dify/blob/main/CONTRIBUTING.md) and [Language Policy](https://github.com/langgenius/dify/issues/1542). - [x] I have searched for existing issues [search for existing issues](https://github.com/langgenius/dify/issues), including closed ones. - [x] I confirm that I am using English to submit this report, otherwise it will be closed. - [x] Please do not modify this template :) and fill in all the required fields. ### 1. Is this request related to a challenge you're experiencing? Tell me about your story. In chatflow, how to realize streaming output from HTTP node? I want to output like LLM node. dify version: 1.3.1 ### 2. Additional context or comments _No response_ ### 3. Can you help us with this feature? - [ ] I am interested in contributing to this feature.
yindo added the 💪 enhancement label 2026-02-21 19:25:23 -05:00
yindo closed this issue 2026-02-21 19:25:23 -05:00
yindo commented 2026-02-21 19:25:23 -05:00
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@dosubot[bot] commented on GitHub (Aug 19, 2025):

Hi @jiaminglei-lei! I'm Dosu and I’m helping the dify team.

Streaming output is not natively supported in the HTTP node in Dify v1.3.1. The HTTP node executes requests synchronously and only returns the full response after completion, unlike the LLM node which streams output by yielding chunked events as data is generated. To achieve streaming output from an HTTP node, you would need to develop a custom node or plugin that processes HTTP responses incrementally and yields chunked events, mimicking the LLM node's streaming pattern. This requires significant custom development and is not available out-of-the-box in your current version. You can review the HTTP Request node documentation and core node implementation for extension points if you want to build this yourself. There is ongoing work to improve streaming support in the workflow engine, but these changes are not yet available in v1.3.1 ref ref.

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@dosubot[bot] commented on GitHub (Aug 19, 2025): <!-- Greeting --> Hi @jiaminglei-lei! I'm [Dosu](https://go.dosu.dev/dosubot) and I’m helping the dify team. <!-- Answer --> Streaming output is not natively supported in the HTTP node in Dify v1.3.1. The HTTP node executes requests synchronously and only returns the full response after completion, unlike the LLM node which streams output by yielding chunked events as data is generated. To achieve streaming output from an HTTP node, you would need to develop a custom node or plugin that processes HTTP responses incrementally and yields chunked events, mimicking the LLM node's streaming pattern. This requires significant custom development and is not available out-of-the-box in your current version. You can review the [HTTP Request node documentation](https://github.com/crazywoola/dify-docs-mintlify/blob/766ba4baea07dd783e72dcc745d2a4cffd03d2e8/en/guides/workflow/node/http-request.mdx) and [core node implementation](https://github.com/langgenius/dify/blob/18757d07c942dd1c09a0151712840571cf320d8e/api/core/workflow/nodes/http_request/node.py) for extension points if you want to build this yourself. There is ongoing work to improve streaming support in the workflow engine, but these changes are not yet available in v1.3.1 [ref](https://github.com/langgenius/dify/discussions/21711#discussioncomment-13615575) [ref](https://github.com/langgenius/dify/pull/24068). <!-- Dosu Comment Footer --> *To reply, just mention [@dosu](https://go.dosu.dev/dosubot).* --- <sup>How did I do? [Good](https://app.dosu.dev/response-feedback/dabd541c-e7fc-4742-b901-9272932131e8?feedback_type=great_response) | [Irrelevant](https://app.dosu.dev/response-feedback/dabd541c-e7fc-4742-b901-9272932131e8?feedback_type=irrelevant_answer) | [Incorrect](https://app.dosu.dev/response-feedback/dabd541c-e7fc-4742-b901-9272932131e8?feedback_type=incorrect_sources) | [Verbose](https://app.dosu.dev/response-feedback/dabd541c-e7fc-4742-b901-9272932131e8?feedback_type=too_verbose) | [Hallucination](https://app.dosu.dev/response-feedback/dabd541c-e7fc-4742-b901-9272932131e8?feedback_type=hallucination) | [Report 🐛](https://app.dosu.dev/response-feedback/dabd541c-e7fc-4742-b901-9272932131e8?feedback_type=bug_report) | [Other](https://app.dosu.dev/response-feedback/dabd541c-e7fc-4742-b901-9272932131e8?feedback_type=other)</sup>&nbsp;&nbsp;[![Chat with Dosu](https://dosu.dev/dosu-chat-badge.svg)](https://app.dosu.dev/6088a4f4-073a-43f3-b3d4-4f06fb0c05a0/ask?utm_source=github)&nbsp;[![Join Discord](https://img.shields.io/badge/join-5865F2?logo=discord&logoColor=white&label=)](https://go.dosu.dev/discord-bot)&nbsp;[![Share on X](https://img.shields.io/badge/X-share-black)](https://twitter.com/intent/tweet?text=%40dosu_ai%20helped%20me%20solve%20this%20issue!&url=https%3A//github.com/langgenius/dify/issues/24168)
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