---
title: "Instance Diagnostics"
method: GET
path: "/api/integrations/instances/{instance_id}/diagnostics"
tags: ["integrations"]
---

# Instance Diagnostics

`GET /api/integrations/instances/{instance_id}/diagnostics`

## Request

- Base URL: `https://app.thinqos.com` (the document declares no server; this is the origin it was published from)
- URL: `https://app.thinqos.com/api/integrations/instances/{instance_id}/diagnostics`
- Auth: none declared

## Path parameters

- `instance_id` string, uuid, required

## Headers

- `x-impersonate-identity-id` string, nullable

## Response `200`

Successful Response

- McpRegistrationDiagnostics: Live diagnostics derived from forwarded-call telemetry.
  - `last_failure` McpLastFailure: Most recent failed forwarded call for a registration.
    - `upstream_tool_name` string, required
    - `error_kind` string, nullable, required
    - `error_message` string, nullable, required
    - `reason` string, required
    - `counts_against_health` boolean, required
    - `started_at` string, date-time, required
    - `occurrences_24h` integer, required
    - `affected_callers` integer, required
  - `per_tool_reliability` McpToolReliability[]
    - `upstream_tool_name` string, required
    - `calls` integer, required
    - `successes` integer, required
    - `last_error_kind` string, nullable

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/thinqos/apis/thinqos-api.md) · [All operations](https://skmtc.dev/thinqos/apis/thinqos-api/llms.txt) · [OpenAPI document](https://skmtc.dev/thinqos/apis/thinqos-api/revisions/ce2c2ce318b1?raw)