SIGNL4 API

{
  "service_type": "platform",
  "base_url": "https://www.signl4.com",
  "auth_method": "api_key",
  "auth_config": {
    "header": "X-S4-API-Key",
    "description": "SIGNL4 uses an API key / team secret for authenticating requests to its alerting REST API. Keys are generated in the SIGNL4 web portal under the team settings."
  },
  "endpoints": [
    {
      "method": "POST",
      "path": "/api/webhook/{teamSecret}/{eventId}",
      "description": "Trigger a SIGNL (alert) via webhook URL containing team secret and optional event ID."
    },
    {
      "method": "GET",
      "path": "/api/alerts",
      "description": "Retrieve list of alerts/SIGNLs (used for 2-way integration and status syncing)."
    },
    {
      "method": "POST",
      "path": "/api/alerts/{id}/ack",
      "description": "Acknowledge an alert programmatically."
    },
    {
      "method": "POST",
      "path": "/api/alerts/{id}/close",
      "description": "Close/resolve an alert programmatically."
    }
  ],
  "pricing_model": {
    "type": "subscription",
    "details": {
      "notes": "SIGNL4 is sold as a per-user subscription with tiered plans; a free trial is typically available. Exact API access may depend on plan tier."
    }
  },
  "rate_limits": {
    "notes": "Specific published rate limits are not documented in the provided content; typical SaaS alerting APIs apply per-team quotas. Verify with SIGNL4 documentation."
  },
  "capabilities": [
    "Mobile alerting and incident notification (SIGNLs)",
    "Two-way integration with third-party systems",
    "Webhook-based alert triggering",
    "Programmatic alert acknowledgment and closure",
    "On-call scheduling and escalation",
    "Alert status synchronization back to source systems",
    "REST API for custom use cases and system integration",
    "Integration with monitoring, ITSM, and IoT/IIoT tools"
  ],
  "raw_analysis": "SIGNL4 is a mobile alerting and incident response platform aimed at IT operations, DevOps, and industrial/IoT teams that need to notify on-call staff about critical events. It positions itself as a complement to monitoring tools (e.g., Nagios, PRTG, Splunk, ServiceNow) by delivering alerts to mobile devices with acknowledgment, escalation, and tracking. The SIGNL4 API allows programmatic triggering of alerts (SIGNLs) via webhook endpoints and supports two-way integration so third-party tools can be updated with alert status (acknowledged, closed). Authentication is handled via a team secret/API key embedded in the webhook URL or passed as a header. The platform is a commercial SaaS product with subscription pricing based on users, and it is reasonably mature with an established integration ecosystem and documented REST endpoints. The provided URL (a feedback page) is not the API documentation itself; the actual API docs live under signl4.com's developer/documentation section. Given the description, the service should be classified as a platform with a REST API rather than a pure developer API product."
}

2/3 tests passed

{
  "overall": 72,
  "dimensions": {
    "token_efficiency": 9.0,
    "first_try_success": 7.0,
    "response_parseability": 7.0,
    "error_clarity": 7.0,
    "doc_quality": 7.0,
    "auth_simplicity": 5.0,
    "response_parseability": 7.0,
    "latency": 8.0,
    "consistency": 7.0
  },
  "pricing_normalized": {
    "type": "subscription",
    "per_user": true,
    "free_trial": true,
    "notes": "Tiered per-user plans; API access may be plan-gated."
  },
  "issues": [
    "No llms.txt or AI-agent-oriented documentation surface (404).",
    "API access likely gated behind plan tiers, creating onboarding ambiguity for agents.",
    "Auth flow not clearly self-serve; enterprise/SaaS signup may require human steps.",
    "No security headers detected on homepage or robots.txt.",
    "Per-user subscription pricing is not exposed as machine-readable data (no pricing endpoint)."
  ],
  "recommendations": [
    "Publish a public llms.txt and OpenAPI/JSON schema for the REST API so agents can discover and call endpoints without scraping docs.",
    "Expose plan/pricing data via a structured endpoint or documented JSON block.",
    "Provide a self-serve API key or magic-link/token onboarding path independent of sales contact.",
    "Add security headers and a public status/uptime page to boost reliability perception.",
    "Document rate limits, webhook payload schemas, and error codes explicitly for agent consumption."
  ]
}