See llms.txt for all machine-readable content.

HTTP Request and Synthesia integration

Save yourself the work of writing custom integrations for HTTP Request and Synthesia and use n8n instead. Build adaptable and scalable Development, Core Nodes, workflows that work with your technology stack. All within a building experience you will love.

How to connect HTTP Request and Synthesia

Create a new workflow and add the first step

In n8n, click the "Add workflow" button in the Workflows tab to create a new workflow. Add the starting point – a trigger on when your workflow should run: an app event, a schedule, a webhook call, another workflow, an AI chat, or a manual trigger. Sometimes, the HTTP Request node might already serve as your starting point.

HTTP Request and Synthesia integration: Create a new workflow and add the first step

Automated PR code reviews with GitHub, GPT-4, and Google Sheets best practices

AI-Agent Code Review for GitHub Pull Requests Description: This n8n workflow automates the process of reviewing code changes in GitHub pull requests using an OpenAI-powered agent. It connects your GitHub repo, extracts modified files, analyzes diffs, and uses an AI agent to generate a code review based on your internal code best practices (fed from a Google Sheet). It ends by posting the review as a comment on the PR and tagging it with a visual label like ✅ Reviewed by AI. 🔧 What It Does Triggered on PR creation Extracts code diffs from the PR Formats and feeds them into an OpenAI prompt Enriches the prompt using a Google Sheet of Swift best practices Posts an AI-generated review as a comment on the PR Applies a PR label to visually mark reviewed PRs ✅ Prerequisites Before deploying this workflow, ensure you have the following: n8n Instance (Self-hosted or Cloud) GitHub Repository with PR activity OpenAI API Key for GPT-4o, GPT-4-turbo, or GPT-3.5 GitHub OAuth App (or PAT) connected to n8n to post comments and access PR diffs (Optional) Google Sheets API credentials if using the code best practices lookup node. ⚙️ Setup Instructions 1. Import the Workflow in n8n, click on Workflows → Import from file or JSON Paste or upload the JSON code of this template 2. Configure Triggers and Connections 🔁 GitHub Trigger Node: PR Trigger Repository: Select the GitHub repo(s) to monitor Events: Set to pull_request Auth: Use GitHub OAuth2 credentials 📥 HTTP Request Node: Get file's Diffs from PR No authentication needed; it uses dynamic path from trigger 🧠 OpenAI Model Node: OpenAI Chat Model Model: Select gpt-4o, gpt-4-turbo, or gpt-3.5-turbo Credential: Provide your OpenAI API Key 🧑‍💻 Code Review Agent Node : Code Review Agent Connected to OpenAI and optionally to tools like Google Sheets 💬 GitHub Comment Poster Uses GitHub API to post review comments back on PR Node: GitHub Robot Credential: Use the agent Github account (OAuth or PAT) Repo : Pick your owen Github Repository 🏷️ PR Labeler (optional) Adds label ReviewedByAI after successful comment Node: Add Label to PR Label : you ca customize the label text of your owen tag. 📊 Google Sheet Best Practices config (optional) Connects to a Google Sheet for coding guideline lookups, we can replace Google sheet by another tool or data base First prepare your best practices list with the clear description and the code bad/good examples Add al the best practices in your Google Sheet Configure the Code Best Practices node in the template : Credential : Use your Google Sheet account by OAuth2 URL : Add your Google Sheet document URL Sheet : Add the name of the best practices sheet

Build your own HTTP Request and Synthesia integration

Create custom HTTP Request and Synthesia workflows by choosing triggers and actions. Nodes come with global operations and settings, as well as app-specific parameters that can be configured. You can also use the HTTP Request node to query data from any app or service with a REST API.

Supported methods for Synthesia

Delete
Get
Head
Options
Patch
Post
Put

To set up Synthesia integration, add the HTTP Request node to your workflow canvas and authenticate it using a generic authentication method. The HTTP Request node makes custom API calls to Synthesia to query the data you need using the API endpoint URLs you provide.

See the example here

Requires additional credentials set up

Use n8n's HTTP Request node with a predefined or generic credential type to make custom API calls.

HTTP Request and Synthesia integration details

Synthesia

Synthesia

Synthesia is an AI video generator that enables users to create videos in 220+ languages directly from their browser by simply inputting a script. It eliminates the need for cameras, actors, or microphones. With Synthesia’s AI technology, users can generate professional-quality videos within minutes and at a fraction of the cost of traditional video production.

Automate lead management

Using too many marketing tools? n8n lets you orchestrate all your apps into one cohesive, automated workflow.

Learn more

Save engineering resources

Reduce time spent on customer integrations, engineer faster POCs, keep your customer-specific functionality separate from product all without having to code.

Learn more

FAQ about HTTP Request integrations

Need help setting up your HTTP Request and Synthesia integration?

Discover our latest community's recommendations and join the discussions about HTTP Request and Synthesia integration.

  • Mohiria

    Self-host [email protected] login page error

    Mohiria

    Self-Hosted n8n (v1.120.4) Fails to Load in Browser with Cannot read properties of undefined (reading 'ldap') TypeError description: Issue: I self-hosted n8n version 1.120.4 using Docker. The container logs confirm the s…

    Open topic
  • Armand Ferveur

    JSON parameter needs to be valid JSON on an HTTP request

    Armand Ferveur

    Hey, I tried to call the Gemini 2.5 flash image model via HTTP request, but I’m getting this error that I can’t seem to resolve in the JSON code. I feel like I’m doing it right, and ChatGPT doesn’t see any errors either.…

    Open topic
  • Agustin Pezzani

    Getting detailed error messages when AI Agent tools fail

    Agustin Pezzani

    Hello n8n Community, I’m facing an issue when using Tools within the AI Agent node, specifically when one of the tools fails for a valid reason (e.g., an external API returns an expected error). The Problem: When a T…

    Open topic
  • Ahmed Ennaime

    I have an issue when sending an http request to fal.ai to get results api

    Ahmed Ennaime

    Description: I’m trying to send a GET http request to fal.ai to get results but it fails everytime even though the credentials are right in the headers, this api doesn’t take anything in the body (API link: Ffmpeg Api Me…

    Open topic
  • Moiz Contractor

    Google Verification Denied

    Moiz Contractor

    Describe the problem/error/question Hi, I am getting a - Google hasnt verified this app error. I have Enable the API, the domain is verified on the Cloud Console, the user is added in the search console and the google do…

    Open topic

Looking to integrate Slack and VirusTotal in your company?

Trusted by teams building smarter workflows.

Why

Why use n8n to integrate HTTP Request with Synthesia

Handle branching, merging and iteration easily. Pause your workflow to wait for external events.

Re-run single steps to test changes in no time. And pin your data to avoid generating trigger events every time you execute.

Your data is displayed alongside your settings, making edge cases easy to track down.

Use 1000+ workflow templates available from our core team and our community.

Copy and paste, easily import and export workflows.

Simple enough to 
understand + sophisticated 
enough to ship