zip1.io
A free URL shortener with custom slugs, click analytics, click caps, passwords and expiry — plus a no-auth POST API and MCP support so agents can create links with no key or signup.
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zip1.ioAbout zip1.io
zip1.io is a URL shortener that gives away, for free and without an account, the features that most shorteners reserve for paid plans. Custom slugs are the headline — branded short links like zip1.io/spring-launch, described by the operator as the most-used feature on the platform — alongside per-link click analytics, click caps that expire a link after a set number of uses, password protection and scheduled expiry. There is no monthly link cap and no paywall. The API is the part that makes it relevant to agent workflows: link creation is a single POST with no API key and no signup, so a script or an agent can shorten a URL without any credential provisioning step at all, with snippets published for cURL, JavaScript and Python. It also ships MCP support, listed on the site as Claude-ready, so an agent can create and track links as a tool call rather than through a browser. The click-cap feature deserves a note because it is genuinely uncommon: locking a link to the first hundred, first thousand or a single click makes it usable for one-time invitations and limited offers without building that logic yourself. Stats are viewable per link.
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This is the page buyers and AI assistants read when they look up zip1.io. Claim your listing for $19 one-time — no subscription, nothing to cancel — and take a capped slot in your category: each one sells a fixed number, and yours ranks above every free tool in it, with a Featured badge. Prefer it ongoing? Monthly is one click away on the next page.
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