AI Agent
Manifest
Manifest converts any URL into a structured JSON map of what AI agents can interact with on a page—buttons, forms, inputs, and required fields.
Manifest
What is Manifest?
Manifest is an API that transforms any webpage into a machine-readable action manifest by analyzing the accessibility tree and DOM, enabling AI agents to understand and act on interactive elements.
Manifest vs Similar AI Tools
| Pricing Model | Free, Freemium | Custom Pricing | Free, Free Trial | Free |
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How to use Manifest?
- 1Sign up for a free API key at app.manifest.omfang.io.
- 2Send a POST request to /manifest with the target URL.
- 3Receive a JSON response containing an actions array with ids, labels, types, and required fields.
- 4Let your AI agent use this structured manifest to decide which buttons to click, forms to fill, and inputs to complete.
Manifest Key Features
- Produces structured JSON manifest of all interactive elements on a page
- Reads accessibility tree and cross-references with DOM for accuracy
- No screenshots or hand-maintained CSS selectors required
- Survives UI redesigns by relying on semantic page structure
- Returns required fields, input types, placeholders, and disabled states
- Cached responses for fast repeat requests at no extra cost
Manifest Use Cases
- AI agents automating web interactions (form filling, navigation)
- Web scraping enhanced with action context
- Automated QA testing and regression checks
- Building AI-powered browser assistants or chatbots
Manifest Pricing & Free Credits
Manifest currently operates on a Free, Freemium model.
Free TierFree Credits
Free
$0/month
50 calls per month, no overage
Paid Plans
Starter
$29/month
1,000 calls per month, overage $0.08/call
Pro
$79/month
5,000 calls per month, overage $0.05/call
Enterprise
Custom
Custom pricing and call volume
Manifest Pros & Cons
Pros
- No fragile CSS or XPath selectors
- Structured, agent-friendly output
- Resilient to page redesigns
- Fast cached responses reduce costs
Cons
- Requires API integration
- Limited free tier (50 calls/month)
- May not capture dynamic content without JavaScript rendered
What is Manifest best for?
- AI agent developers
- Web automation and scraping engineers
- QA teams automating browser testing