---
title: "Just the ≥4-hour gaps in a trip's current plan, each with filler suggestions from live events on that date and community"
method: POST
path: "/actions/suggest_gap_fillers"
tags: ["itinerary"]
---

# Just the ≥4-hour gaps in a trip's current plan, each with filler suggestions from live events on that date and community

`POST /actions/suggest_gap_fillers`

## Request

- Base URL: `https://findinghorizons.ca/api/v1`
- URL: `https://findinghorizons.ca/api/v1/actions/suggest_gap_fillers`
- Auth: OAuth 2 (authorization code, authorization URL `https://findinghorizons.ca/api/mcp/authorize`, token URL `https://findinghorizons.ca/api/mcp/oauth/token`, scopes: `itinerary:read`)

Just the ≥4-hour gaps in a trip's current plan, each with filler suggestions from live events on that date and community points near that day's route. Use apply_trip_filler to add one.

## Request body

- object
  - `tripId` string, required: Trip id from get_my_trips
  - `today` string: The traveller's own date, YYYY-MM-DD, where the action needs one

## Response `200`

Done — { ok, api, action, result, card, operation? }

## Other responses

- `400`: Bad body / missing Idempotency-Key
- `401`: No or invalid token
- `403`: Scope not granted
- `422`: The action said no
- `429`: Rate limited

---

[API](https://skmtc.dev/findinghorizons/apis/finding-horizons-api.md) · [All operations](https://skmtc.dev/findinghorizons/apis/finding-horizons-api/llms.txt) · [OpenAPI document](https://skmtc.dev/findinghorizons/apis/finding-horizons-api/revisions/e347f6070173?raw)