AltAPIs

API archive entry · source-reported

Let's Validate

Uncovers the technologies used on websites and URL to thumbnail

Provider / source website

From the publisher

README & documentation

Source preview

Read the project’s overview, installation instructions and usage examples. The original README is the source of truth.

Talk with us on Slack Name | Default | Accepted Value | Description ---- | ------- | -------------- | ----------- url | | Any valid URLs | Target URL (required), http(s):// prefix is optional output | raw | raw, json | Output format (raw, json) prettify | false | Any boolean values | Prettify JSON output format | jpg | jpg, jpeg, png | Image format (jpg, png) quality | 100 | 1..100 | Image quality full | false | Any boolean values | Capture full page size | | t, s, m, l, x, og, o | The size of the thumbnail. Available predefined sizes: t - Tiny (90x68), s - Small (120x90), m - Medium (200x150), l - Large (400x300), x - Extra large (480x360), og - Recommended image size of Facebook's Open Graph protocol (1200x630), o- Original size, widthxheight - Custom sizes width | 320 | 1..16383…

letsvalidate/api on GitHub A short preview, not the full document.

Read the full README ↗ · Preview checked 2026-09-20T18:41:13.695Z

Inside the original README — Document outline
  1. API for generating thumbnails of captured screenshots of websites.
  2. API for analyzing technologies of websites.
  3. Notes

Headings are captured from the source. Links open the publisher’s document, not a locally hosted copy.

Links from the README

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Where these facts came from

AltAPIs imported it from Public API Lists. The source link and dates remain visible for independent inspection.

What is reported

  • Name, category, and short description
  • Authentication label
  • HTTPS and CORS labels
  • Provider/source URL

What is not established

  • Current uptime or availability
  • Pricing, quotas, and rate limits
  • Security, compliance, or licensing posture
  • SDK quality or endpoint completeness

Record checkpoints

  1. First observed: Sep 20, 2026
  2. Last directory-field change: Sep 20, 2026
  3. Current source observation: Sep 20, 2026

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Source reference

Public API Lists

This page separates source-reported facts from questions that need live provider verification.