tutorial

Monitoring Hevo Data with Vigilmon: Pipeline Status API, Destination Health & Connector Availability

How to monitor Hevo Data no-code ETL pipelines with Vigilmon — pipeline status API, destination connector health, webhook alert delivery, and SSL certificate validity.

Hevo Data is a fully managed, no-code data pipeline and ETL platform that automates the movement of data from over 150 source connectors — databases, SaaS applications, files, and event streams — into data warehouses, data lakes, and analytics destinations in real time. Hevo handles schema mapping, type conversion, incremental extraction, transformation logic, and load retries automatically, so data engineering teams can build and maintain production data pipelines without writing custom ingestion code. When Hevo's API becomes unavailable, your automation layer — the scripts and tools that check pipeline status, trigger manual runs, or pause pipelines during maintenance — loses its control surface. When a destination connector degrades, Hevo accumulates an event backlog that can grow into hours of data lag before the platform surfaces a failure notification. When Hevo's webhook alert system is unreachable, pipeline failures and destination errors go unnoticed until a downstream analyst discovers a stale dashboard. Vigilmon gives you an external monitoring layer that watches the Hevo API surface and your downstream notification infrastructure so that pipeline failures are caught from outside the platform — not just through Hevo's own alerting.

What You'll Build

  • An HTTP monitor on the Hevo platform API to detect service degradation before it stalls your pipelines
  • A monitor on the Hevo status page API to track officially declared incidents that affect your pipelines
  • A monitor on your destination database or warehouse health endpoint to verify Hevo has somewhere to write data
  • A monitor on your Hevo alert webhook receiver to confirm pipeline failure notifications are being delivered
  • An SSL certificate monitor for any custom domains associated with Hevo webhooks or destination APIs
  • Alerting that distinguishes Hevo API outages from destination failures and notification delivery breakdowns

Prerequisites

  • An active Hevo Data workspace with one or more pipelines configured
  • A Hevo API key for programmatic pipeline management (available under Hevo Settings → API)
  • At least one destination configured in Hevo (data warehouse, database, or analytics tool)
  • A free account at vigilmon.online

Step 1: Understand Hevo Data's Monitoring Surface

Hevo is a fully managed SaaS platform, which means most of its internal infrastructure — ingestion workers, transformation engines, and delivery queues — is not directly accessible for external monitoring. The observable surfaces are the external-facing API, the Hevo status page, and the destination systems that Hevo writes to:

| Component | Surface | Role | |---|---|---| | Hevo REST API | https://api.hevodata.com | Pipeline control, status queries, manual triggers | | Hevo status page | https://status.hevodata.com | Official incident declarations and service health | | Destination system | Warehouse / DB health endpoint | Where Hevo writes data; a degraded destination causes backlog | | Alert webhook receiver | Your HTTPS endpoint | Receives Hevo pipeline failure and event error notifications | | Hevo workspace UI | https://app.hevodata.com | Engineer access during incidents; pipeline logs and event errors |

External monitoring focuses on the Hevo API availability, status page, and destination system health — these are where Hevo failures first become externally observable. A Hevo API outage blocks automation; a destination failure causes data accumulation in the Hevo event queue; a degraded status page leaves your team unable to distinguish a local misconfiguration from a platform-wide incident.

Step 2: Monitor the Hevo Platform API

The Hevo REST API is the programmatic control surface for all pipeline operations — listing pipeline status, triggering runs, pausing ingestion during maintenance windows, and querying event error rates. When this API is unavailable, any automation that depends on Hevo's API for operational control loses its ability to manage pipelines:

# List pipelines via the Hevo API
curl -H "Authorization: Token YOUR_HEVO_API_KEY" \
  https://api.hevodata.com/v1/pipelines
# Returns: [{"id": "...", "name": "...", "status": "ACTIVE", ...}]

# Check a specific pipeline's status
curl -H "Authorization: Token YOUR_HEVO_API_KEY" \
  https://api.hevodata.com/v1/pipelines/YOUR_PIPELINE_ID
# Returns pipeline detail with current status and last sync time
  1. Log in to Vigilmon → Add Monitor → HTTP.
  2. URL: https://api.hevodata.com/v1/pipelines.
  3. Check interval: 2 minutes.
  4. Response timeout: 15 seconds.
  5. Expected status: 200.
  6. Keyword: status (present in every pipeline list response).
  7. Label: Hevo platform API.
  8. Click Save.

This monitor catches:

  • Hevo platform outages that disable all API-based pipeline management
  • Authentication service failures that cause all API requests to return 401
  • Regional CDN or DNS failures that make the Hevo API unreachable from your automation infrastructure
  • API rate limiting or quota enforcement that blocks operational scripts during high-volume periods

Alert sensitivity: Set to trigger after 1 consecutive failure. When the Hevo API is down, your team has no programmatic way to verify pipeline health, pause failing pipelines, or trigger manual backfills — all incident response steps that depend on the API become impossible.

Step 3: Monitor the Hevo Status Page

Hevo maintains a public status page that reports officially declared incidents, maintenance windows, and service degradation affecting specific pipeline features. Monitoring this page gives your team an external signal that distinguishes your infrastructure configuration problems from Hevo platform incidents before spending time debugging pipelines that are failing because of a provider-side issue:

# Hevo status page API (if available)
curl https://status.hevodata.com/api/v2/status.json
# Returns: {"status": {"indicator": "none", "description": "All Systems Operational"}}
  1. Add Monitor → HTTP.
  2. URL: https://status.hevodata.com/api/v2/status.json.
  3. Check interval: 3 minutes.
  4. Response timeout: 10 seconds.
  5. Expected status: 200.
  6. Keyword: none (the indicator value when all systems are operational).
  7. Label: Hevo status page.
  8. Click Save.

Tuning the keyword: If Hevo's status API uses a different format, adjust the keyword to the operational indicator string returned by your status page's API. A keyword mismatch alert tells you that Hevo has declared an active incident — even if their email notifications haven't reached your team yet.

Step 4: Monitor Your Destination System

Hevo continuously ingests data from sources and writes it to your configured destination — a data warehouse like BigQuery, Snowflake, Redshift, or Databricks, or a database like PostgreSQL or MySQL. When the destination becomes unavailable or returns write errors, Hevo accumulates an event backlog. The backlog can grow silently for extended periods before Hevo's internal alerting triggers a notification, depending on your pipeline's configured retry and alert thresholds:

# BigQuery health check via the Jobs API
curl -H "Authorization: Bearer $GCP_TOKEN" \
  https://bigquery.googleapis.com/bigquery/v2/projects/YOUR_PROJECT/jobs
# Returns: {"kind": "bigquery#jobList"} when BigQuery is accessible

# Snowflake account health
curl https://your-account.snowflakecomputing.com/session/token
# Returns: {"success": false} (expected auth failure, but confirms the endpoint is reachable)

# PostgreSQL or MySQL via a custom health endpoint
curl https://your-db-health.example.com/health
# Returns: {"status": "ok"} when the database is accepting connections
  1. Add Monitor → HTTP.
  2. URL: https://your-destination.example.com/health (or the appropriate health endpoint for your destination type).
  3. Check interval: 2 minutes.
  4. Response timeout: 15 seconds.
  5. Expected status: 200.
  6. Keyword: ok (or the appropriate healthy state token for your destination's health response).
  7. Label: Hevo destination (warehouse/database).
  8. Click Save.

This monitor gives you advance warning that your destination is degraded before Hevo's internal backlog alert triggers, allowing you to investigate and restore destination availability before hours of event backlog accumulate.

Step 5: Monitor Your Hevo Alert Webhook Receiver

Hevo can deliver pipeline failure notifications, event error threshold alerts, and destination write failure alerts to external webhook endpoints that feed your incident management, Slack channels, or PagerDuty. If this webhook receiver is down when Hevo fires an alert, your team receives no notification that a pipeline has been failing for hours and that consumers are receiving stale data:

curl https://your-hevo-alerts.example.com/health
# Returns: {"status": "ok"} when the alert receiver is operational
  1. Add Monitor → HTTP.
  2. URL: https://your-hevo-alerts.example.com/health.
  3. Check interval: 2 minutes.
  4. Response timeout: 10 seconds.
  5. Expected status: 200.
  6. Keyword: ok.
  7. Label: Hevo alert webhook receiver.
  8. Click Save.

For Slack-integrated Hevo failure notifications, verify https://slack.com/api/api.test to confirm Slack API reachability. For PagerDuty-routed Hevo incidents, monitor https://api.pagerduty.com/ability to verify the Events API is accessible. If your Hevo alerts route through an internal notification service, add a health endpoint monitor for that service specifically.

Step 6: Monitor SSL Certificates

Hevo's API endpoint, any custom webhook receivers that accept Hevo failure notifications, and destination health endpoints all use HTTPS. An expired certificate on a webhook receiver means Hevo will fail to deliver alert payloads — TLS handshake failures cause webhook delivery to fail silently from Hevo's perspective, and your team stops receiving failure notifications without any visible error:

openssl s_client -connect your-hevo-alerts.example.com:443 2>/dev/null | openssl x509 -noout -dates
  1. Add Monitor → SSL Certificate.
  2. Domain: your-hevo-alerts.example.com.
  3. Alert when expiry is within: 30 days.
  4. Alert again: 14 days, 7 days, 3 days, 1 day.
  5. Click Save.

Repeat for any custom domains associated with your destination health check endpoints and any internal APIs that Hevo-triggered automation calls. The Hevo platform's own certificates are managed by Hevo — your responsibility is the certificates on your infrastructure that participates in the Hevo data flow.

Step 7: Configure Alerting

In Vigilmon under Settings → Notifications, configure your alert channels:

| Monitor | Trigger | Action | |---|---|---| | Hevo platform API | Non-200 or status missing | All API-based pipeline management disabled | | Hevo status page | Non-200 or none missing | Active Hevo incident declared; check status page detail | | Destination system | Non-200 or health keyword missing | Hevo will accumulate event backlog; investigate destination | | Alert webhook receiver | Non-200 or ok missing | Hevo failure notifications not being delivered | | SSL certificate | < 30 days to expiry | Renew certificate; webhook delivery will fail on expiry |

Alert after: 1 consecutive failure for the Hevo platform API and alert webhook receiver. 2 consecutive failures for the destination system monitor to reduce noise from brief transient timeouts during warehouse auto-scaling events.

Common Hevo Data Infrastructure Failure Modes and What Vigilmon Catches

| Scenario | Vigilmon monitor | |---|---| | Hevo platform outage | API and status page monitors fire | | Destination warehouse scaling pause | Destination monitor fires; event backlog begins accumulating | | Webhook receiver crash | Alert monitor fires; pipeline failure notifications lost | | TLS certificate expired on webhook receiver | SSL monitor alerts at 30-day threshold; Hevo alert delivery fails | | DNS resolution failure for destination | Destination monitor fires with connection timeout | | Authentication token expiry for API automation | API monitor fires with 401; pipeline management scripts blocked | | CDN failure between your monitoring and Hevo | API monitor fires with timeout or connection error | | Destination database maintenance window | Destination monitor fires; Hevo backlog alert may lag by minutes | | Hevo declared maintenance window | Status page monitor alerts; correlate with expected downtime | | Webhook receiver deployment rollback | Alert monitor catches if health endpoint returns 500 during rollback |

Monitoring Pipeline Data Freshness (Beyond Infrastructure)

Vigilmon monitors the infrastructure adjacent to Hevo Data — the API availability, status page, destination health, and webhook delivery. Hevo's actual pipeline performance — data freshness, event lag, and row-level transformation accuracy — requires observability within the Hevo platform and your destination system:

  • Hevo pipeline event error monitoring: Use the Hevo dashboard's event error section and the Events API to track error rates for individual pipelines. High event error rates indicate source schema changes, authentication failures, or transformation logic issues — none of which are visible to infrastructure monitors.
  • Data freshness tracking: Monitor the max ingestion timestamp in your destination tables. A healthy Hevo API and destination does not guarantee that individual pipelines are delivering data within their freshness SLA — a source connector may be fetching records but delivering them slowly due to source-side throttling.
  • Destination row count validation: Compare row counts between Hevo's reported event counts and your destination table's actual row counts for a given time window. Silent row drops due to transformation mismatches or destination write conflicts are invisible to infrastructure monitoring.

Vigilmon catches infrastructure failures — when the Hevo API is unreachable, the destination system is down, or your alert webhook receiver is not accepting connections. The accuracy of the data flowing through your Hevo pipelines, the freshness of individual connectors, and the completeness of the records written to your destination require data observability tooling layered on top of infrastructure monitoring.

Hevo Data removes the operational burden of building and maintaining custom ETL pipelines, but the infrastructure surrounding it — the Hevo API, your destination systems, and your alert delivery layer — can fail in ways that silently accumulate data lag without surfacing errors to your team. Vigilmon gives your data engineering team external visibility into that surrounding infrastructure: Hevo API availability, status page health, destination reachability, and SSL certificate validity, so you know the moment the data pipeline ecosystem needs attention and can restore data flow before consumer-facing dashboards go stale.

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