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    CONNECTIONS / MinIO / MinIO to Meta Custom Audience

    From MinIO objects to Meta lookalike and suppression seeds.

    Signals reads your MinIO objects through a read-only access key scoped to the MinIO bucket you name, then keeps Meta audiences synced as adds and removals so lists never drift so Meta sees match-ready audiences without an export.

    Talk to our team Explore the setup

    minio -> meta-custom-audience :: live

    1. ● minio → meta.audience :: live
    2. > read segments rows=12,804
    3. hash sha256(email,phone) consent=filtered
    4. route meta deliver
    5. ✓ delivered · 10,115 matched

    WHAT THIS ENABLES

    MinIO to Meta Custom Audience

    MinIO to Meta Custom Audience: Signals reads your MinIO objects and keeps Meta audiences synced as adds and removals so lists never drift, hashed and consent-checked each time a new file lands.

    • Signals keeps Meta audiences synced as adds and removals so lists never drift, reading your MinIO objects each time a new file lands.
    • Always-current lookalike seeds and exclusions, with no export step out of your MinIO objects.

    WHAT FLOWS WHERE

    MinIO to Custom Audience, mapped.

    Each sync hands the customer segments from your MinIO objects to Signals, which hashes and filters every record, then Meta's Custom Audiences API logs the match-ready audiences for audience refresh cadence.

    Each sync hands the customer segments from your MinIO objects to Signals, which hashes and filters every record, then Meta's Custom Audiences API logs the match-ready audiences for audience refresh cadence.

    WHO THIS IS FOR

    Built for the teams that own the number.

    Performance teams running first-party suppression and lookalike seeds, working out of MinIO buckets and object prefixes.

    Platform teams self-hosting MinIO who need lookalike seeds and suppression lists that track your live customer base out of MinIO objects.

    HOW DATAHASH SETS IT UP

    From kickoff to verified events.

    1. Connect

      A read-only access key scoped to the MinIO bucket you name, mapped to Meta's Custom Audiences API and tuned for audience refresh cadence.

    2. Map

      Columns from your MinIO objects align to Meta's Custom Audiences API in the visual mapper, hashed as the file lands and checked for audience refresh cadence.

    3. Deliver

      Each time a new file lands, Signals reads your MinIO objects and keeps Meta audiences synced as adds and removals so lists never drift, processes only the newly dropped file, with audience refresh cadence watched in the debugger.

    WHAT YOU GET

    What ships with this use case.

    Lookalike seeds and suppression lists that track your live customer base from your MinIO objects, delivered each time a new file lands.

    Always-current lookalike seeds and exclusions out of your MinIO objects, delivered each time a new file lands without transfer overhead climbing.

    Match feedback on audience refresh cadence from Meta's Custom Audiences API each run, tied back to your MinIO objects.

    ON THE WIRE

    What Custom Audience actually receives.

    signals :: minio.meta-custom-audience :: wire

    1. ● signals :: audience upload
    2. > POST /customaudiences source=minio.segments
    3. schema ["EMAIL_SHA256","PHONE_SHA256"]
    4. num_received 12,804 · num_invalid_entries 390
    5. audience_id "1676880" · session "upsert"
    6. ✓ accepted match=79%
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    FAQ

    Asked on almost every call.

    How often does the MinIO Meta Custom Audience sync run?

    Delivery tracks MinIO, run by platform teams self-hosting MinIO: a near-real-time or scheduled sync of your MinIO objects feeds Meta on that cadence. Each run processes only the newly dropped file, so always-current lookalike seeds and exclusions holds up on audience refresh cadence. The live debugger confirms every delivery inline.

    What match rate should a MinIO-sourced Meta Custom Audience batch expect?

    Coverage of hashed identifiers across your MinIO objects decides it, and platform teams self-hosting MinIO own that inside MinIO. A live email or phone matches into Meta; neither, and it will not. First-run feedback flags audience refresh cadence, which platform teams self-hosting MinIO then raise inside your MinIO objects.

    NEXT STEP

    MinIO to Meta Custom Audience, in production this week.

    Talk to our team All MinIO use cases