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Webhooks: catalog & limits

Start here: every event type (status, scope, aliases, filters that apply, sample payload, JSON schema URL), which ones this connection can subscribe to right now, limits, retry schedule, retention, signature + envelope format and the recommended setup flow. Works even without webhook scopes (then says which scope to ask for).

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Start here: every event type (status, scope, aliases, filters that apply, sample payload, JSON schema URL), which ones this connection can subscribe to right now, limits, retry schedule, retention, signature + envelope format and the recommended setup flow. Works even without webhook scopes (then says which scope to ask for).

Overview

Name Value
Code webhooks.capabilities
Scope needed webhooks.read
Risk Read
May need confirmation No
Runs as Answers right away
Needs Idempotency-Key No
Member roles allowed owner, manager, agent
In the app Settings → Webhooks

Input fields

This operation takes no fields.

Example request

curl -X POST https://tlg.builera.app/api/public/v2/ops/webhooks.capabilities \
  -H "Authorization: Bearer $TELEGRAM_AUTO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{}'

Output fields (data)

Field Type Required
setup_flow text[] Yes
hint text No
ok true Yes
types object[] Yes
groups object[] Yes
limits object Yes
retry_schedule_ms any[] Yes
max_attempts 6 Yes
retention_days object Yes
content_modes any[] Yes
content_types any[] Yes
rotation object Yes
signature text Yes
envelope text Yes
owner object Yes

Example answer

{
  "data": {
    "setup_flow": [
      "text"
    ],
    "hint": "text",
    "ok": true,
    "types": [
      {
        "type": "text",
        "group": "campaigns",
        "label": "text",
        "description": "text",
        "status": "planned",
        "reason": "text",
        "scope": "accounts.read",
        "since": {
          "web": "text",
          "worker": "text"
        },
        "account_bound": true,
        "owner_only": true,
        "untrusted_fields": [
          "text"
        ],
        "filters": [
          "direction"
        ],
        "subscribable_now": true,
        "schema_url": "text",
        "sample": "text"
      }
    ],
    "groups": [
      {
        "group": "campaigns",
        "selector": "text",
        "label": "text"
      }
    ],
    "limits": {
      "per_connection": 10,
      "per_workspace": 50,
      "pending_per_webhook": 10000,
      "max_body_bytes": 1,
      "timeout_ms": 10000,
      "inflight_per_webhook": 4,
      "redeliver_max": 500,
      "replay_max": 10000,
      "replay_confirm_over": 1000,
      "replay_max_range_days": 7,
      "replay_lookback_days": 30,
      "rate_limits": {
        "testPerMinutePerHook": 10,
        "testPerHourPerWorkspace": 60,
        "urlWritesPerHourPerWorkspace": 30,
        "validatePerHourPerWorkspace": 60,
        "replaysRunningPerHook": 1,
        "replaysPerDayPerWorkspace": 5
      }
    },
    "retry_schedule_ms": [
      0,
      60000,
      300000,
      1800000,
      7200000,
      21600000
    ],
    "max_attempts": 6,
    "retention_days": {
      "events": 30,
      "delivered": 14,
      "dead": 30,
      "filtered": 3,
      "cancelled": 3,
      "replays": 30,
      "tests": 7
    },
    "content_modes": [
      "full",
      "thin",
      "none"
    ],
    "content_types": [
      "application/json",
      "application/cloudevents+json"
    ],
    "rotation": {
      "defaultOverlapHours": 24,
      "minHours": 1,
      "maxHours": 168,
      "maxActiveKeys": 2
    },
    "signature": "text",
    "envelope": "text",
    "owner": {
      "kind": "text",
      "connection_id": "00000000-0000-4000-8000-000000000000",
      "scopes": [
        "text"
      ],
      "account_ids": [
        "text"
      ]
    }
  }
}

Using it over MCP

Tool webhooks_capabilities is listed on the profiles: Full (full). On other profiles, find it with tools_search and run it with tools_run.

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Last checked: 10/24/2026 · build 2.0