The Powerduck Blog

API engineering, from the spec out

Product updates, engineering notes, and guides for designing, debugging, testing, mocking, and serving MCP tools from one OpenAPI spec.

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Publish documentation 2 min read

Mintlify Pricing vs Free Static API Docs

Quick answer Short answer: A hosted platform starts with a free tier and a Pro plan that grows with the surface; a generated reference is exported as static files and

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Publish documentation 2 min read

Powerduck vs Mintlify: Which API Documentation Tool?

Quick answer Short answer: Mintlify is a hosted docs platform built for a broad set of MDX pages and AI answers; Powerduck generates the API reference from the contract and

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Debug & Test 1 min read

Insomnia Collections vs Spec-Generated Requests

Quick answer Short answer: Authored requests are maintained by hand and reflect what someone saved; generated requests are derived from the contract and reflect the current API. The first is

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Debug & Test 4 min read

Powerduck vs Insomnia: API Client and Contract Testing

Quick answer: Insomnia is a polished, long-established API client now under Kong, and it is a comfortable tool for sending requests and running the inso CLI. The reason teams look

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Debug & Test 2 min read

Insomnia Scratchpad vs a Local-First OpenAPI Studio

Quick answer Short answer: The scratchpad lets you work without an account, but it is a private vault inside the client. A local-first studio opens the OpenAPI file in your

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Debug & Test 1 min read

Inso CLI vs an OpenAPI CLI

Quick answer Short answer: The inso CLI runs the client's collections and assertions in CI; an OpenAPI CLI works from the contract and can validate, generate, and verify.

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Debug & Test 1 min read

API Mocking in Insomnia vs Powerduck

Quick answer Short answer: A classic client covers requests and leaves mocking to a separate tool; a studio generates the mock from the same spec as the requests. The first

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Debug & Test 1 min read

Insomnia vs Powerduck: Pricing and Lock-In

Quick answer Short answer: Insomnia offers a free local tier and paid plans; Powerduck keeps the desktop and Hub hosting free within plan limits and exports portable static artifacts. The

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Debug & Test 1 min read

Contract Testing: Insomnia vs Powerduck

Quick answer Short answer: A client can run assertions on the fields you choose; a contract-first studio verifies the whole response against the schema. The first proves the specific checks

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Debug & Test 2 min read

Migrating from Insomnia to OpenAPI

Quick answer Short answer: Use the existing client collections as evidence of the API and consolidate them into an OpenAPI contract. Then generate the request set from the spec. This

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Debug & Test 2 min read

Powerduck vs Insomnia: Which API Client in 2026?

Quick answer Short answer: Insomnia is a polished, familiar API client; Powerduck is a local-first studio that generates the requests from the contract and verifies them. The first is centered

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Debug & Test 1 min read

Hoppscotch Pricing and Team Limits Explained

Quick answer Short answer: Hoppscotch is free on the web and self-hosted, with paid tiers adding access controls, SSO, audit logs, and support. Powerduck keeps the desktop and Hub hosting

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