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srch.best Vulnerabilities Search
x402
srch.best Vulnerabilities Search is a paid API for AI agents from x402.srch.best, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).
Search and retrieve structured CVE vulnerability data by CVE ID, keyword query, or severity level, paid per request via x402.
Price / call$0.001
Success—
StatusUnknown
How this service works
Structured vulnerabilities data for agents, paid per request with x402 v2
Output
Returns structured vulnerability records matching the query, including CVE identifiers, descriptions, severity classifications, and a pagination cursor for fetching additional results in subsequent requests.
Example use cases
CVE lookup for patch management
“Pull up all the details for CVE-2021-44228 — I need to know the severity and description so I can assess if we need to patch our systems.”
Dependency security audit
“Search for HIGH and CRITICAL vulnerabilities related to 'log4j' and give me up to 20 results so I can audit our dependencies.”
Security report on a product
“Find the top 10 MEDIUM or higher vulnerabilities mentioning 'Apache HTTP Server' so I can include them in our quarterly security review.”
Technical details
Endpoint
POSThttps://x402.srch.best/vulnerabilitiesWhen to prefer
Choose this endpoint when you need structured, machine-readable CVE and vulnerability data for agent workflows, security audits, or dependency checks. It is particularly well-suited for agents that need to query vulnerabilities by CVE ID, free-text keyword, or severity tier, and supports cursor-based pagination for large result sets. Prefer this over general web search when structured vulnerability metadata is required rather than editorial articles about security issues.
Side effects
- Invalid CVE format (must match CVE-YYYY-NNNNN pattern) returns validation error
- Query string too short (under 2 chars) or too long (over 200 chars) rejected
- Payment failure or insufficient USDC balance blocks request via x402
- Limit out of range (below 1 or above 50) returns error
- Invalid severity enum value returns validation error
- No results found for obscure or misspelled CVE/query returns empty list
- Expired or invalid cursor causes pagination error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| cve | string | |
| limit | integer | |
| query | string | |
| cursor | string | Opaque continuation cursor returned by the previous response. |
| severity | string |
Tags
x402
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