---
title: http.request.jwt.claims.nbf.sec.values
description: The `nbf` (not before) claim identifies the time (number of seconds) before which the JWT must not be accepted for processing.
image: https://developers.cloudflare.com/core-services-preview.png
---

> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/ruleset-engine/llms.txt  
> Use this file to discover all available pages before exploring further. 

[Skip to content](#%5Ftop) 

#  http.request.jwt.claims.nbf.sec.values 

`http.request.jwt.claims.nbf.sec.values` ` Array<Integer> ` 

The `nbf` (not before) claim identifies the time (number of seconds) before which the JWT must not be accepted for processing.

For details, refer to the [Registered Claim Names](https://datatracker.ietf.org/doc/html/rfc7519#section-4.1) in RFC 7519.

Requires a Cloudflare Enterprise plan with a paid add-on.

For more information on validating JSON Web Tokens, refer to [JSON Web Tokens Validation](https://developers.cloudflare.com/api-shield/security/jwt-validation/) in the API Shield documentation.

Categories: 
* Request
* JWT validation

```json
{"@context":"https://schema.org","@type":"TechArticle","@id":"https://developers.cloudflare.com/ruleset-engine/rules-language/fields/reference/http.request.jwt.claims.nbf.sec.values/#page","headline":"http.request.jwt.claims.nbf.sec.values · Cloudflare Ruleset Engine docs","description":"The nbf (not before) claim identifies the time (number of seconds) before which the JWT must not be accepted for processing.","url":"https://developers.cloudflare.com/ruleset-engine/rules-language/fields/reference/http.request.jwt.claims.nbf.sec.values/","inLanguage":"en","image":"https://developers.cloudflare.com/core-services-preview.png","publisher":{"@type":"Organization","name":"Cloudflare","url":"https://www.cloudflare.com/"},"isPartOf":{"@type":"WebSite","@id":"https://developers.cloudflare.com/#website","name":"Cloudflare Docs","url":"https://developers.cloudflare.com/"}}
{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/directory/","name":"Directory"}},{"@type":"ListItem","position":2,"item":{"@id":"/ruleset-engine/","name":"Ruleset Engine"}},{"@type":"ListItem","position":3,"item":{"@id":"/ruleset-engine/rules-language/","name":"Rules language"}},{"@type":"ListItem","position":4,"item":{"@id":"/ruleset-engine/rules-language/fields/","name":"Fields"}},{"@type":"ListItem","position":5,"item":{"@id":"/ruleset-engine/rules-language/fields/reference/","name":"Fields reference"}}]}
```