Unverified50% confidenceFactExact time
The HTTP 402 Payment Required status code was reserved by Tim Berners-Lee in the 1997 HTTP/1.1 specification (RFC 2068).
1
Sources
50%
Confidence
Long-term
Relevance
10/13/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedHTTP 402 is a status code reserved in RFC 7231 but rarely used historically, originally designed for future digital payment scenarios.75% similarUnverifiedHTTP/1.1规范RFC 2616于1999年发布,在定义4xx客户端错误码时保留了402状态码73% similarUnverifiedHTTP status code 401 indicates authentication failure, 429 indicates rate limiting has been triggered, and 500 indicates a server-side error.64% similarUnverifiedThe HTTP protocol was proposed by Tim Berners-Lee in 1989 at CERN and has a stateless characteristic61% similarUnverifiedHTTP状态码遵循RFC 7231规范,按首位数字分为5个大类:1xx信息性响应、2xx成功、3xx重定向、4xx客户端错误、5xx服务器错误54% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1020373API
curl https://kongchang.com/api/v1/knowledge/claims/1020373MCP
get_claim(id=1020373)