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the402.ai Domain Availability Check
x402
the402.ai Domain Availability Check is a paid API for AI agents from api.the402.ai, paid per call via x402, $0.002/call, status down (last checked 2026-09-15).
Checks whether a domain name is available for registration
Price / call$0.002
Success—
StatusDown
How this service works
Purchase: Domain Availability
Output
Returns whether the specified domain name is available for registration, along with any relevant registration details or alternative suggestions.
Example use cases
Example prompt
“Can you check if 'rocketlaunch.ai' is available to register as a domain?”
Technical details
Endpoint
POSThttps://api.the402.ai/v1/services/svc_895fe51a11304799/purchaseWhen to prefer
Use this endpoint when an AI agent needs to verify domain availability programmatically, especially within automated workflows that involve brand creation, startup naming, or web presence setup. It is billed per call at $0.002 USDC via x402, making it cost-effective for single or batch lookups without a domain registrar account.
Side effects
- Invalid domain format returns an error
- Unsupported TLD may return no result
- Payment failure via x402 protocol results in no response
- Rate limiting or service downtime returns HTTP error
- Ambiguous or punycode domain may fail validation
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| job_id | string | |
| status | string | |
| thread_id | string |
Tags
x402
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