DataScreenIQ

DataScreenIQ — Real-time data quality firewall for data pipelines. Screens every payload at the ingest boundary before your warehouse sees a single row. Returns PASS / WARN / BLOCK in under 10ms. Detects: Schema drift — fields added, removed, or renamed Type mismatches — numeric field now has strings Null rate spikes — completeness drops overnight Distribution anomalies — values outside expected range Duplicate rates — unexpected cardinality collapse Timestamp staleness — data older than expected Empty string rates — "" masquerading as null Row count anomalies — batch size deviates 3× Integrates with: Apache Airflow · Prefect · dbt · GitHub Actions · any HTTP client Free tier: 500K rows/month · Runs on Cloudflare Workers · Zero data retention https://github.com/AppDevIQ/datascreeniq-python