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Funnel
Analyze a conversion funnel through multiple steps. Each step can be a page view, an entry page (first pageview in a session), or a custom event. The endpoint returns the number of visitors who reached each step in order, plus the conversion-rate trend compared to the previous period.
POST
https://api.seline.com/api/v1/funnel
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Pathnames always start with a slash, e.g. /blog/*. Use type entry-page to match only the first pageview in a session. Custom event step names must match the exact event name as you track it.
Parameters
projectId
stringRequired for account API keysProject id to query. Required when using an account-wide API key. Ignored for project API keys.
steps
arrayRequiredFunnel steps in order. Must have at least 2 steps. Each step is an object with name (page pathname like /blog/* or custom event name) and type (page-view, entry-page, or custom).
Example - [{ name: "/", type: "entry-page" }, { name: "user: signed up", type: "custom" }]
period
stringRequired if no range is providedPredefined time period today, 1h, 24h, 7d, 30d, 6m, 12m, all_time, month_to_date, week_to_date, year_to_date. Either period or range is required.
range
objectRequired if no period is providedCustom date range object with from and to ISO 8601 datetime strings, e.g. 2025-09-10T00:00:00Z, both required.
Example - { from: "2025-09-10T00:00:00Z", to: "2025-09-11T00:00:00Z" }
filters
arrayOptional filters for the funnel. Array of objects with field and value. Supported fields are hostname, country, browser, device, referrer, campaign, source, medium, content, term, os.
Example request
curl -X POST 'https://api.seline.com/api/v1/funnel' \-H 'Authorization: Bearer API_TOKEN' \-H 'Content-Type: application/json' \-d '{"range": {"from": "2025-06-10T00:00:00Z","to": "2025-09-10T00:00:00Z"},"steps": [{ "name": "/", "type": "entry-page" },{ "name": "/pricing", "type": "page-view" },{ "name": "user: signed up", "type": "custom" }],"filters": [{ "field": "country", "value": "US" }]}'
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Response
{"steps": [{ "name": "/", "type": "entry-page", "count": 1820 },{ "name": "/pricing", "type": "page-view", "count": 612 },{ "name": "user: signed up", "type": "custom", "count": 124 }],"trend": 8}
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