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    CONNECTIONS / Apache Cassandra / Apache Cassandra to OpenAI Offline CAPI

    From Cassandra tables to OpenAI's Offline Conversions API.

    Connect Apache Cassandra and point Signals at your Cassandra tables; it reports downstream revenue as OpenAI's conversion measurement comes online each time the read runs, hashed and consent-checked for OpenAI.

    Talk to our team Explore the setup

    apache-cassandra -> openai-offline-capi :: live

    1. ● apache cassandra → openai.capi :: live
    2. > read closed_deals rows=27,788
    3. hash sha256(email,phone) consent=filtered
    4. route openai deliver
    5. ✓ delivered · 24,731 matched

    WHAT THIS ENABLES

    Apache Cassandra to OpenAI Offline CAPI

    Apache Cassandra to OpenAI Offline CAPI: Signals reads your Cassandra tables and reports downstream revenue as OpenAI's conversion measurement comes online, hashed and consent-checked each time the read runs.

    • Offline and in-store sales from your Cassandra tables activated for OpenAI, as Signals reports downstream revenue as OpenAI's conversion measurement comes online.
    • A revenue feed ready the moment OpenAI's offline measurement expands, drawn from your Cassandra tables by platform teams running Cassandra.
    WHAT FLOWS WHERE

    The click, the conversion, and the credit.

    The conversion happens off OpenAI, away from any pixel. Here is how Apache Cassandra closes the loop.

    OpenAI credits the campaign that sourced the conversion conversion happens off-platform Ad click on OpenAI Scheduled read sync recorded in Apache Cassan… S Signals hash · dedupe Offline Conversions API delivered · credited
    WHO THIS IS FOR

    Built for the teams that own the number.

    Early advertisers on OpenAI inventory measuring revenue from day one, with the records already in Cassandra tables and materialized views.

    Platform teams running Cassandra activating OpenAI's Offline Conversions API 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 OpenAI's Offline Conversions API, sized for the emerging OpenAI ad surface.

    2. Map

      A scheduled read pulls your Cassandra tables, and its columns map to OpenAI's Offline Conversions API in the visual mapper, hashed and checked for the emerging OpenAI ad surface.

    3. Deliver

      On each run, Signals pulls your Cassandra tables, reports downstream revenue as OpenAI's conversion measurement comes online, and reads only the records changed since the last run, with the emerging OpenAI ad surface in the debugger.

    WHAT YOU GET

    What changes when the CSV goes away.

    Capability Manual CSV upload Datahash
    Reporting Offline sales sit in a separate export, reconciled by hand. Revenue counted in the same Offline CAPI reporting as web conversions.
    Deduplication A re-uploaded file risks counting the same conversion twice. Deduped delivery, so a resent record never counts as a second conversion.
    Match visibility Match quality is a guess until the numbers look off. Match rate reported per upload, tied to the source event set that produced it.
    Effort and latency An analyst exports and uploads on a manual cadence. Server-side and automatic the moment Apache Cassandra records the event.
    ON THE WIRE

    What Offline CAPI actually receives.

    signals :: apache-cassandra.openai-offline-capi :: wire

    1. ● signals :: event payload
    2. > POST /offline_conversions source=apache-cassandra.closed_deals
    3. event_name "Purchase" · event_time 1784461287
    4. em sha256 "2b9d64…" · value 21960 · currency SAR
    5. ✓ accepted · row_status delivered
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    FAQ

    Asked on almost every call.

    How often does the Apache Cassandra OpenAI Offline CAPI sync run?

    You set the cadence, from near-real-time to a nightly Apache Cassandra sync of your Cassandra tables into OpenAI. Since Signals reads only the records changed since the last run, a revenue feed ready the moment OpenAI's offline measurement expands keeps pace and platform teams running Cassandra watch the emerging OpenAI ad surface. One scoped connection sets it up, cadence adjustable later.

    What match rate should a Apache Cassandra-sourced OpenAI Offline CAPI batch expect?

    In Apache Cassandra, match rate tracks the email and phone quality your Cassandra tables carry. Clean identifiers land for OpenAI; blank ones never will. The first Offline Conversions API report shows platform teams running Cassandra where the emerging OpenAI ad surface needs work, a data-quality task handled in Apache Cassandra.

    NEXT STEP

    Apache Cassandra to OpenAI Offline CAPI, in production this week.

    Talk to our team All Apache Cassandra use cases