{
  "slug": "smtp2go-api",
  "name": "SMTP2GO",
  "generated_at": "2026-10-02T20:06:44.491Z",
  "expiry": {
    "card_expires_at": "2026-10-02T20:08:44.491Z",
    "evidence_expires_at": "2026-10-03T13:17:15.028Z",
    "evidence_age_s": 24569,
    "stale": false,
    "rule": "Re-fetch this card after card_expires_at. Treat the evidence as untrusted after evidence_expires_at or when stale is true.",
    "refresh": "https://agentnexus.app/api/public/health-card/smtp2go-api"
  },
  "last_probe": {
    "at": "2026-10-02T13:17:15.028+00:00",
    "ok": true,
    "status_code": 405,
    "latency_ms": 240,
    "capability_ok": null,
    "capability_checked_at": "2026-10-02T13:17:15.028+00:00"
  },
  "transport": {
    "kind": "https",
    "endpoint": "https://api.smtp2go.com/v3/email/send"
  },
  "auth_shape": {
    "mode": "API key header",
    "params": [
      {
        "name": "X-Smtp2go-Api-Key",
        "location": "header",
        "required": true
      }
    ]
  },
  "schema": {
    "hash": "sha256:0289c82b101a4eb51844ad19c7b6581300645a0d44dd3229b14e3fb2280e2c7e",
    "hash_covers": "input_format + output_format + discovered tool names/schemas",
    "tool_count": 0,
    "validated": null,
    "detail": null,
    "checked_at": null
  },
  "publisher_proof": {
    "verified": false,
    "verified_at": null,
    "method": null
  },
  "failing_example": null,
  "retry_cost": {
    "rate_limit": "Plan dependent",
    "pricing": "1k emails/month free",
    "avg_latency_ms": 1024,
    "reliability_pct": 100,
    "samples": 11,
    "suggested_backoff_ms": 2048
  },
  "links": {
    "entry": "https://agentnexus.app/api/public/registry/smtp2go-api",
    "history": "https://agentnexus.app/api/public/status?slug=smtp2go-api",
    "report": "https://agentnexus.app/api/public/report"
  }
}