Store your keys once. Build request templates with fillable fields. Get answers in a clean split-screen interface. No $14/seat pricing. No download.
The popular API tools come with baggage. DevBook skips all of it.
Postman charges per seat, per month. Teams of 5 pay $70/mo for what should be a developer utility. DevBook is free — no seats, no tiers, no surprises.
Postman's Electron app ships 300MB+ and launches like it's loading an IDE. DevBook is a web app. Open a tab, start working. Close it when you're done.
Postman syncs your collections, keys, and environments to their servers. DevBook stores your API keys in your own account. Your requests stay yours.
Content labeled as "leaked" often involves a breach of privacy for the individuals involved. Engaging with this content can contribute to a cycle of non-consensual sharing. How to Stay Safe Online
These pages frequently ask users to "verify" their identity or age by entering login credentials for social media or email. This is a common tactic used to steal accounts.
Protect your important accounts so that even if a site steals your password, they cannot gain access without your second verification code. Ethical Considerations
Before entering any information, ensure the website address is correct and uses "https://" (though even secure sites can be malicious).
Some "VIP" sites require a credit card for a "free trial." These often result in hidden monthly charges that are notoriously difficult to cancel.
A Virtual Private Network can help mask your IP address, though it won't protect you from downloading a malicious file.
Consuming leaked content often violates the terms of service of major platforms and may involve legal complexities regarding digital privacy and copyright. Supporting creators through their official channels (such as Patreon, OnlyFans, or verified social media) ensures that the content you enjoy is provided safely and legally.
Content labeled as "leaked" often involves a breach of privacy for the individuals involved. Engaging with this content can contribute to a cycle of non-consensual sharing. How to Stay Safe Online
These pages frequently ask users to "verify" their identity or age by entering login credentials for social media or email. This is a common tactic used to steal accounts.
Protect your important accounts so that even if a site steals your password, they cannot gain access without your second verification code. Ethical Considerations
Before entering any information, ensure the website address is correct and uses "https://" (though even secure sites can be malicious).
Some "VIP" sites require a credit card for a "free trial." These often result in hidden monthly charges that are notoriously difficult to cancel.
A Virtual Private Network can help mask your IP address, though it won't protect you from downloading a malicious file.
Consuming leaked content often violates the terms of service of major platforms and may involve legal complexities regarding digital privacy and copyright. Supporting creators through their official channels (such as Patreon, OnlyFans, or verified social media) ensures that the content you enjoy is provided safely and legally.
No collections. No environments. No workspaces. Just the parts of API testing you actually use.
Paste your keys into the vault — Stripe, OpenAI, Twilio, whatever you use. Reference them with a variable name across every template. One entry, everywhere.
Define your HTTP request and mark dynamic parts with {{placeholders}}. DevBook generates a fillable form. No raw JSON editing, no config files.
Fill in the blanks, hit send, see your response instantly. Every template is saved and searchable. Build a library of the API calls your workflow depends on.
No download. No credit card. No seat licenses. The API workbench that gets out of your way.
Start your 2-week free trial →No credit card required to get started