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    CONNECTIONS / Apache Cassandra / Apache Cassandra to Google EC for Leads

    From Cassandra tables to Google Enhanced Conversions for Leads.

    Connect Apache Cassandra and point Signals at your Cassandra tables; it sends down-funnel lead milestones matched to the originating Google click each time the read runs, hashed and consent-checked for Google Ads.

    Talk to our team Explore the setup

    apache-cassandra -> google-ec-leads :: live

    1. ● apache cassandra → google.leads :: live
    2. > read lead_pipeline rows=65,218
    3. hash sha256(email,phone) consent=filtered
    4. route google deliver
    5. ✓ delivered · 56,087 matched

    WHAT THIS ENABLES

    Apache Cassandra to Google EC for Leads

    Apache Cassandra to Google EC for Leads: Signals reads your Cassandra tables and sends down-funnel lead milestones matched to the originating Google click, hashed and consent-checked each time the read runs.

    • Qualified-lead and pipeline signals from your Cassandra tables activated for Google Ads, as Signals sends down-funnel lead milestones matched to the originating Google click.
    • Lead-value bidding fed by the stages your pipeline actually reaches, drawn from your Cassandra tables by platform teams running Cassandra.

    WHAT FLOWS WHERE

    Apache Cassandra to EC for Leads, mapped.

    A scheduled read pulls the qualified-lead and pipeline signals from your Cassandra tables; Signals hashes and consent-screens each record before Google Ads' Enhanced Conversions API accepts the lead conversions for GCLID and hashed-email matching.

    A scheduled read pulls the qualified-lead and pipeline signals from your Cassandra tables; Signals hashes and consent-screens each record before Google Ads' Enhanced Conversions API accepts the lead conversions for GCLID and hashed-email matching.

    WHO THIS IS FOR

    Built for the teams that own the number.

    Google lead-gen advertisers bidding past the first form submit, with the records already in Cassandra tables and materialized views.

    Platform teams running Cassandra activating Google Enhanced Conversions for Leads straight from Cassandra tables.

    HOW DATAHASH SETS IT UP

    From kickoff to verified events.

    1. Connect

      A read-only database user scoped to the Cassandra tables you name to feed Google Ads' Enhanced Conversions API, sized for GCLID and hashed-email matching.

    2. Map

      A scheduled read pulls your Cassandra tables, and its columns map to Google Ads' Enhanced Conversions API in the visual mapper, hashed and checked for GCLID and hashed-email matching.

    3. Deliver

      On each run, Signals pulls your Cassandra tables, sends down-funnel lead milestones matched to the originating Google click, and reads only the records changed since the last run, with GCLID and hashed-email matching in the debugger.

    WHAT YOU GET

    What ships with this use case.

    Lead-value bidding fed by the stages your pipeline actually reaches on every run, as Signals reads your Cassandra tables and reads only the records changed since the last run.

    Lead-value signals matched to the paid click from your Cassandra tables, with read load on the database steady because Signals reads only the records changed since the last run.

    A per-run match report from Google Ads' Enhanced Conversions API on GCLID and hashed-email matching, straight out of your Cassandra tables.

    ON THE WIRE

    What EC for Leads actually receives.

    signals :: apache-cassandra.google-ec-leads :: wire

    1. ● signals :: event payload
    2. > POST /conversion_action source=apache-cassandra.lead_pipeline
    3. gclid "Cj0KCQjw…" · conversion_action "sql_reached"
    4. conversion_value 2 · currency USD
    5. hashed_email sha256 "9c41af…"
    6. ✓ accepted match=gclid+hashed_email
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    FAQ

    Asked on almost every call.

    How often does the Apache Cassandra Google EC for Leads sync run?

    You set the cadence, from near-real-time to a nightly Apache Cassandra sync of your Cassandra tables into Google Ads. Since Signals reads only the records changed since the last run, lead-value bidding fed by the stages your pipeline actually reaches keeps pace and platform teams running Cassandra watch GCLID and hashed-email matching. One scoped connection sets it up, cadence adjustable later.

    What match rate should a Apache Cassandra-sourced Google EC for Leads batch expect?

    In Apache Cassandra, match rate tracks the email and phone quality your Cassandra tables carry. Clean identifiers land for Google Ads; blank ones never will. The first Enhanced Conversions API report shows platform teams running Cassandra where GCLID and hashed-email matching needs work, a data-quality task handled in Apache Cassandra.

    NEXT STEP

    Apache Cassandra to Google EC for Leads, in production this week.

    Talk to our team All Apache Cassandra use cases