Unbounce API
A REST API, v0.4, at developer.unbounce.com covers accounts, pages, A/B tests, leads, and users. Access is not self serve; customers email support and wait a couple of business days for approval before generating keys. The version has not moved since 2018, and OAuth offers one full scope.
Frequently asked questions
Unbounce scores B on the API Report Card. A REST API, v0.4, at developer.unbounce.com covers accounts, pages, A/B tests, leads, and users. Access is not self serve; customers email support and wait a couple of business days for approval before generating keys. The version has not moved since 2018, and OAuth offers one full scope.
Unbounce has a workable official integration path. Most engineering teams can build against it directly. Solid API with minor gaps
Unbounce is a SaaS landing page builder and conversion rate optimization (CRO) platform that lets marketers design, publish, and A/B test campaign-specific landing pages, popups, and sticky bars without engineering help.
Vertical: Marketing technology, landing page builder / CRO (horizontal SaaS, not industry-specific). A performance marketer builds a campaign-specific landing page from a template or from a Smart Builder prompt, swaps in copy and a hero image, wires up a form to push leads to HubSpot/Salesforce/Mailchimp, publishes to an Unbounce-hosted subdomain or to WordPress, then drives paid traffic from Google/Meta/LinkedIn to that URL.
Unbounce has been a recognized name in the landing page category since 2009 and reports 'hundreds of thousands' of marketers; it consistently appears in 'best landing page builder' lists alongside Instapage, Leadpages, ClickFunnels, and Landingi.
Partially.
Founded 2009 in Vancouver by Rick Perreault and team; one of the original dedicated landing page builders alongside Instapage and Leadpages.
API access requires a manual support-team approval, adding 1-3 days of friction before any integration work can start. Rate limit (500 req/min) is documented but Retry-After headers and per-endpoint throttle behavior are not, forcing developers to implement defensive exponential backoff. Full sourced list under Sources below.
Common alternatives include Instapage, Leadpages, ClickFunnels, Landingi, Webflow, HubSpot CMS / Landing Pages. Graded alternatives appear under "More from the report card" below.
Grades measure one thing: can a customer's engineering team get their own data out programmatically? We check six things (whether a real API exists, how access is gated, data coverage, auth quality, docs and developer experience, and stability) and roll them into a letter grade. Grades get re-verified, and they only move on evidence.