What’s new in Postman: webhook scripting and AWS Marketplace
Blog post from Postman
Postman has introduced programmable webhook scripting and AWS Marketplace purchasing, extending its capabilities across API development and procurement. Webhook listeners can now run JavaScript when events arrive and after responses are sent, enabling users to validate payload structures, verify HMAC signatures, modify or block events, log activity, and trigger chained collection requests such as deployment health checks. The feature supports external packages from Postman’s library, npm, and JSR, along with built-in signature-verification presets for providers including Stripe, GitHub, and Slack, though scripts have a 25 KB console-output limit, restricted API availability, and no persistent state between invocations. Available on Solo, Team, and Enterprise plans, webhook scripting can support event-driven testing and automation workflows. Separately, Team and Enterprise customers can now subscribe to Postman through AWS Marketplace or an in-app “Buy with AWS” option, allowing organizations to use existing AWS billing arrangements, including committed-use agreements, while Postman provisions teams and reflects AWS as the payment source.
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