Create a short link on opn.onl. Supports scheduling, click limits, folders, tags and one-time (burn-after-reading) links. Returns the short URL and its code.
Shorten many URLs in one call. Returns the created links plus any per-URL errors.
List your short links (most recent first). Filter by folder, tag or free-text search.
Update a link's destination, title, notes, scheduling, click limit, folder or protections. Use the remove_* flags to clear a field.
Duplicate an existing link (same destination and settings) under a fresh short code.
Pin or unpin a link (pinned links surface first in the dashboard). Toggles the current state.
Check whether a custom alias/slug is available before shortening with it.
Export all your links as CSV (returns the raw CSV text).
Get the smart-routing rules for a link (device/OS/country/language targeting and A/B weighting).
Replace ALL smart-routing rules for a link. Each rule sends visitors matching the given device/OS/country/language to its destination; empty match fields mean 'any'. Send an empty array to clear all rules.
Get click analytics for a link (clicks, unique visitors, geography, cities, devices, browsers, OS, referrers).
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