RandomDog

• Get a random dogGet one dog at random from RandomDog's collection of about a thousand, with a URL that can be embedded straight into a message or an email and alt text ready to caption it. Still photographs by default, because the collection holds videos and animated GIFs too and a video cannot be shown as a picture; ask for those explicitly when you want them. No API key required.
• Get several random dogsGet a handful of dogs at random in one step, for a gallery, a digest or a row of pictures. No two are the same unless repeats are allowed, and the whole batch costs one request however many are asked for. Asking for more than the collection holds returns all of them rather than failing. No API key required.
• List the dogsList every dog in RandomDog's collection, a page at a time, to build a gallery or to work through the whole thing. Each row carries the file's URL and what kind of file it is. The result says both how many dogs matched and how many there are altogether, and a filter that matches nothing is an empty page rather than an error, so a workflow can branch on the count. No API key required.
• Summarize the collectionCount what RandomDog holds, by kind of file and by extension: how many photographs, how many animated GIFs, how many videos, and what share of the collection each format is. Read it to report on the collection, or to check there is enough of a format worth drawing from before a later step asks for one. No API key required.
• Download a dogDownload a dog as a file, so a later step can attach it to an email, post it to a chat or put it in storage. Pass a URL from an earlier step to fetch that exact dog, or leave it blank to draw one at random. Only RandomDog's own address is accepted, and a file too large to be worth pulling down is refused with its size rather than downloaded. No API key required.

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