API Documentation
Welcome to the VisitThree API Reference. Use our API to integrate fast, reliable DNS checking, IP geolocation, tech detection, and more directly into your own applications.
1Authentication
All API requests must be authenticated using a Bearer token. You can generate and manage your API keys in the VisitThree Dashboard.
curl -X GET https://api.visithree.com/v1/dns \ -H "Authorization: Bearer YOUR_API_KEY"
2Rate Limits
API limits are determined by your active subscription plan. Rate limit status is returned via standard HTTP headers in every response.
| Header | Description |
|---|---|
| X-RateLimit-Limit | Total requests allowed within the current window |
| X-RateLimit-Remaining | Requests remaining in the current window |
DNS Lookup API
Retrieve specific DNS records (A, AAAA, MX, TXT, etc.) for any domain seamlessly across our globally distributed nodes.
Endpoint
Query Parameters
- domainThe domain to query (e.g.,
github.com). Required. - typeThe DNS record type (e.g., A, MX, TXT). Defaults to A.
IP Intelligence API
Get detailed information about any IPv4 or IPv6 address, including geolocation, ASN, ISP details, and potential proxy/VPN threat levels.
Endpoint
Path Parameters
- ip_addressThe target IPv4 or IPv6 address (e.g.,
8.8.8.8). Required.
Tech Detector API
Scan any webpage to uncover the underlying technology stack, including frameworks, analytics tools, CMS, and operating system identifiers.
Endpoint
Body payload
- urlThe website URL to scan (e.g.,
https://example.com). Required.
QR Generator API
Instantly generate robust, high-quality QR codes for URLs, text, Wi-Fi networks, and contact cards, customizable with your branding and colors.
Endpoint
Body payload
- dataThe payload data (URL, text, etc.) to encode (e.g.,
https://example.com). Required. - optionsOptional configuration object for appearance, color, size, and margin.
Email Validator API
Verify email addresses for correct syntax, disposable email providers, role-based accounts (like admin@), and valid MX record delivery.
Endpoint
Query Parameters
- emailThe target email address to validate. Required.
Resume Builder API
Programmatically compile PDF resumes using custom layout specifications, user profiles, templates, and thematic guidelines.
Endpoint
Body payload
- profileA JSON object containing sections like
contact,experience, etc. Required. - themeCustom options for typography and color variables.
Certificate Builder API
Generate secure, printable PDF certificates of achievement, training completion, or degree credentials automatically.
Endpoint
eBook Creator API
Convert bulk text contents and chapters into fully formatted and stylized PDF or ePub documents complete with table of contents.