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In the folder you choose: opencollection.yml for the collection, a folder.yml in each folder, one .yml file per request, and environments in environments/. Put the folder in your project’s Git repository to share it.

Mac App Store apps can open only the folders you choose. Choose File › New Collection… to make one, or File › Open Collection Folder… for one you have. Plainwire remembers the folders you open.

Yes. Plainwire reads and writes OpenCollection YAML in the layout Bruno 3 uses, so Bruno and its command-line runner open the same folder. It also opens .bru collections, read only; File › Convert to OpenCollection YAML… writes an editable copy into a new folder.

In Paw, choose File › Export › All Requests › OpenAPI 3.0 Generator (install the OpenAPI 3.0 Generator extension from Paw’s extensions page if it isn’t listed) and save the file. In Plainwire, choose File › Import › OpenAPI or Swagger (and Paw)…. The Moving from Paw guide in Plainwire’s Help menu has every step, and what to check afterwards: Paw’s exporter labels query parameters as headers, and it doesn’t export passwords or tokens, so add those in Collection Settings › Secrets.

In Postman, export the collection as Collection v2.1 and each environment as a file. In Plainwire, choose File › Import › Postman Collection… and Postman Environment…. Tokens and passwords in the export’s auth settings, credential headers and variables go to your Keychain, not the files. With Pro, most pm.test, pm.expect and pm.environment scripts run as they are.

Yes: Request › Paste cURL as New Request… (⇧⌘V). Request › Copy as cURL (⇧⌘C) goes the other way.

To the Keychain on your Mac. The file gets a {{variable}} in their place, so each person who uses the collection adds their own values. This happens for auth fields, credential headers like Authorization and X-API-Key, and variables named like secrets.

Scripts and tests in a collection run on your Mac when you send, and they can read your variables, secrets included. Plainwire asks once per collection folder, so you can choose Send Without Scripts for a collection you don’t trust.

Turn on Allow self-signed certificates on local servers in Plainwire’s Settings. It applies only to this Mac, local network addresses, and .local, .test and .internal names.

Free: unlimited requests, history (up to 2,000 requests), one collection folder, every import and cURL export. Pro adds environments, scripts and tests, and more than one collection folder at a time. It’s a one-time purchase, with no subscription, and Family Sharing is on.

Apple handles App Store refunds. Request one at reportaproblem.apple.com.

No. Sign in to the App Store with the same Apple Account on your other Mac and download it from your purchases.