# Instagram Follower Monitor - Track Followers Changes 2026 A social media tool your agent can run on one prepaid apifare key. Page: https://apifare.com/tools/instaprism/instagram-follower-monitor ## What you need An apifare key with credits (sign up: POST https://apifare.com/v1/signup {"email": "..."}; new accounts get 500 free credits). No other account or key. ## Inputs - `username` (string, required): Username - `webhookUrl` (string): Webhook URL (optional) - `limit` (integer): Limit (e.g. 10000) The most relevant fields; the search result's input_schema lists all of them. ## Price 5 credits reserved per run, settled to the run's true cost, never more than 20 credits (1 credit = $0.01). Failed runs are refunded. Exact numbers: https://apifare.com/capabilities ## Run it 1. Find it: MCP search_apis, or GET https://apifare.com/v1/search?q=Instagram%20Follower%20Monitor%20-%20Track%20Followers%20Changes%202026 with Authorization: Bearer . Take the result named "Instagram Follower Monitor - Track Followers Changes 2026"; it carries a proxy_route. 2. Run it: MCP proxy_call with that proxy_route and the input JSON (apifare-mcp over stdio), or POST the proxy_route over HTTP with the input JSON as the body and the same Authorization header. 3. On HTTP 402, relay the body's human_readable field to your human verbatim, wait, then retry the same call. Every other error and its fix: https://apifare.com/errors.md