Header category
Agent & Bot Identity
Headers by which an automated caller identifies itself, and by which a server decides what to serve it. The newest category, and the one with the least settled vocabulary.
8 headers
114 provider declarations
| Header | Providers | Status | |
|---|---|---|---|
| User-Agent | 71 | permanent | |
| x-customer-user-agent | 30 | de-facto | |
| Referer | 9 | permanent | |
| From | 4 | permanent | |
| Referer-Root | — | obsoleted | |
| Ping-To | — | permanent | |
| Ping-From | — | permanent | |
| Sec-Purpose | — | permanent |
All categories
Authentication Authorization & Scope Caching Conditional Requests & Concurrency Content Negotiation Representation Metadata Connection & Transport CORS Security Policy Privacy & Consent Rate Limiting & Quota Tracing & Correlation Idempotency & Reliability Versioning & Lifecycle Integrity & Signing Async & Long-Running Cost & Metering Agent & Bot Identity