API

Create and manage your links from scripts, apps and automations (Zapier, Make, n8n…). Every request needs your API key: create a free account, then generate a key from your account page.

Authorization: Bearer lk_your_key_here

Limit: 120 requests per minute. Responses are JSON. Dates are ISO 8601 in UTC.

Create a link

curl -X POST https://flashlyn.com/api/links/ \
  -H "Authorization: Bearer lk_…" \
  -H "Content-Type: application/json" \
  -d '{"url": "https://example.com/very/long/page", "alias": "promo", "folder": "Newsletter"}'

Fields: url (required), alias, title, folder (name or id), starts_at (the link opens at this time; before that visitors see a “coming soon” page), expires_at, password, max_clicks. Returns 201 with the link.

List your links

curl "https://flashlyn.com/api/links/?page=1&per_page=50" -H "Authorization: Bearer lk_…"

Get one link with stats

curl "https://flashlyn.com/api/links/?code=promo&days=30" -H "Authorization: Bearer lk_…"

Delete a link

curl -X DELETE "https://flashlyn.com/api/links/?code=promo" -H "Authorization: Bearer lk_…"

Example response

{
  "code": "promo",
  "short_url": "https://flashlyn.com/promo",
  "url": "https://example.com/very/long/page",
  "title": null,
  "folder": "Newsletter",
  "clicks": 42,
  "status": "active",
  "wait_page": true,
  "password_protected": false,
  "starts_at": null,
  "expires_at": null,
  "created_at": "2026-10-26T15:00:00+00:00"
}

Errors

401 invalid key · 404 not found · 422 invalid data (the error field explains why) · 429 too many requests.