REST API first. Faster-launch tools when you need them.

YouTube Video Download API for downloader products

Start free, get a YouTube video download API key, and try REST video downloads. Build downloader tools with an API designed for custom apps, workflow automation, and production download experiences.

MP3 audio MP4 video Subtitles Transcripts Thumbnails
Public OpenAPI docs Usage-based pricing First-party support
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If your search started with https://loader.to/api/button/?url=, use the migration page for the replacement Button API pattern, parameter map, pricing, docs, and API key path.

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REST API is the core product

Create a download job

GET
GET /ajax/download.php mp3 request 
curl "https://p.savenow.to/ajax/download.php?format=mp3&url=VIDEO_URL&apikey=YOUR_API_KEY"
Example response 200 OK
Job status
processing
Format
mp3
Next call
poll progress
Endpoint map
Create job
/ajax/download.php
Poll progress
/ajax/progress
Auth
apikey parameter

p.savenow.to is the default shared API host used in public examples. If your dashboard shows a custom API hostname, use that account-specific host instead.

1. Request

Send a URL and format.

2. Poll

Track job progress.

3. Return

Use the download URL.

Product overview

Build with the API. Launch faster with supporting options.

Video Download API is built around a REST video download API for teams that need control over downloader UX, pricing, formats, and polling. Widgets, cards, buttons, and templates are supporting paths for teams that want a smaller integration surface.

Input
YouTube URL and output format
Processing
Asynchronous download job
Result
Download URL plus metadata

Primary product

REST API

Create download jobs, poll progress, and return video, audio, subtitle, transcript, thumbnail, and metadata results from your own product.

Open REST API overview

Fast embed

Widget API

Drop a hosted converter experience into a page when speed matters more than full interface control.

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UI shortcuts

Cards and buttons

Use prebuilt cards or action buttons to add downloader flows without designing every state yourself.

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Starter projects

Templates

Start with ready-made downloader templates for common frontend and Laravel launches.

View option

YouTube API use cases

Match common YouTube downloader workflows to the REST API

Explore the API paths for YouTube downloads, MP3 audio conversion, MP4 video quality control, and direct API comparisons. Each use case connects back to the same API key, pricing, docs, and progress polling flow.

YouTube Download API

YouTube Download API for product teams

Build YouTube downloader products with a REST YouTube Download API for video, audio, subtitles, transcripts, thumbnails, and metadata.

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YouTube to MP3 API

Convert YouTube to MP3 with a REST API

Run YouTube-to-MP3 conversion jobs with a REST API. Request MP3 output, poll progress, and estimate usage-based pricing for audio downloader workflows.

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YouTube to MP4 API

YouTube to MP4 API for video quality control

Request YouTube to MP4 downloads from 360p through 8K when available with a REST API built for video quality, progress polling, and production downloader products.

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Subtitle workflow

Subtitles and transcripts API

Generate VTT or SRT subtitles and transcript-ready text from YouTube videos using the same API key and documentation path.

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Metadata workflow

Video info API for title and thumbnail metadata

Request structured title and thumbnail fields with add_info=1 before continuing through the download and polling flow.

View metadata API

SaaS provider comparison

Direct YouTube API access for SaaS provider comparisons

Compare direct API pricing, keys, endpoints, docs, and support when evaluating marketplace-style YouTube API options.

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API pricing comparison

Ultrathink and loader.to API pricing comparison

Compare YouTube download API pricing, migration scope, docs, and signup paths before choosing a provider.

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Button API migration

loader.to Button API endpoint migration

Map https://loader.to/api/button/?url= searches to Button API embeds, pricing, docs, and API key paths.

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Pricing teaser

Pay as you launch and scale

Start free, test with your API key, then use usage-based pricing for production downloader traffic.

Comparing Ultrathink or loader.to API pricing? Start with the calculator, then use the comparison page to check migration, docs, and API key paths.

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Docs and resources

Use OpenAPI, examples, and templates

Open the API reference for request details, or use resource templates when you want a faster downloader launch.

API docs Templates

Support paths

Find the right next step

Existing users can jump back into the dashboard, while new teams can reach support before committing build time.

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