# \#postman-sandbox

**URL:** https://community.postman.com/tag/postman-sandbox/568.md

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## [Generate a captcha token in the pre-request script](https://community.postman.com/t/generate-a-captcha-token-in-the-pre-request-script/46862)

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**Author:** [@aviation-operator-13](https://community.postman.com/u/aviation-operator-13)\
**Replies:** 0\
**Last updated:** [April 27, 2023, 7:29pm UTC](https://community.postman.com/t/generate-a-captcha-token-in-the-pre-request-script/46862 "2023-04-27T19:29:18Z")

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My question: Is it possible to access browser APIs in the pre-request script? My first pass at this is pretty much a hard no. We are protecting some of our public endpoints with a reCaptcha v3 and I was thinking it’d b…

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## [Sandbox responses from JSON Schema](https://community.postman.com/t/sandbox-responses-from-json-schema/43284)

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**Author:** [@mbraidy](https://community.postman.com/u/mbraidy)\
**Replies:** 0\
**Last updated:** [January 27, 2023, 7:04am UTC](https://community.postman.com/t/sandbox-responses-from-json-schema/43284 "2023-01-27T07:04:17Z")

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Is it possible to generate responses from a JSON Schema instead of the examples in the request

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## [Looping Strategies?](https://community.postman.com/t/looping-strategies/35761)

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**Author:** [@rtfmoz2](https://community.postman.com/u/rtfmoz2)\
**Replies:** 1\
**Last updated:** [May 30, 2022, 8:34am UTC](https://community.postman.com/t/looping-strategies/35761 "2022-05-30T08:34:15Z")

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I seriously struggled with looping through the various data sets being new to the language. In the end I ended up the with following code using lodash to reset all my environment vars at the start of each run. name = \[ …