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    CONNECTIONS / Dropbox / Dropbox to Meta Custom Audience

    Your Dropbox files, wired to Meta lookalike and suppression seeds.

    Signals reads your Dropbox files through read-only OAuth access to the Dropbox folder you name, then keeps Meta audiences synced as adds and removals so lists never drift so Meta sees match-ready audiences without an export.

    dropbox -> meta-custom-audience :: live

    1. ● dropbox → meta.audience :: live
    2. > read segments rows=28,772
    3. hash sha256(email,phone) consent=filtered
    4. route meta deliver
    5. ✓ delivered · 23,305 matched

    WHAT THIS ENABLES

    Dropbox to Meta Custom Audience

    Meta Custom Audience for Dropbox: Signals keeps Meta audiences synced as adds and removals so lists never drift straight from your Dropbox files, hashed and consent-screened each time a new file lands.

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

    WHAT FLOWS WHERE

    Dropbox to Custom Audience, mapped.

    Each sync hands the customer segments from your Dropbox files 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 Dropbox files 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 Dropbox folders and shared exports.

    Teams dropping exports in Dropbox who need lookalike seeds and suppression lists that track your live customer base out of Dropbox files.

    HOW DATAHASH SETS IT UP

    From kickoff to verified events.

    1. Connect

      Read-only OAuth access to the Dropbox folder you name, mapped to Meta's Custom Audiences API and tuned for audience refresh cadence.

    2. Map

      Columns from your Dropbox files 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 Dropbox files 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 Dropbox files, delivered each time a new file lands.

    Always-current lookalike seeds and exclusions out of your Dropbox files, 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 Dropbox files.

    ON THE WIRE

    What Custom Audience actually receives.

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

    1. ● signals :: audience upload
    2. > POST /customaudiences source=dropbox.segments
    3. schema ["EMAIL_SHA256","PHONE_SHA256"]
    4. num_received 28,772 · num_invalid_entries 30
    5. audience_id "1650474" · session "upsert"
    6. ✓ accepted match=81%
    FAQ

    Asked on almost every call.

    How often does the Dropbox Meta Custom Audience sync run?

    Delivery tracks Dropbox, run by teams dropping exports in Dropbox: a near-real-time or scheduled sync of your Dropbox files 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 Dropbox-sourced Meta Custom Audience batch expect?

    Coverage of hashed identifiers across your Dropbox files decides it, and teams dropping exports in Dropbox own that inside Dropbox. A live email or phone matches into Meta; neither, and it will not. First-run feedback flags audience refresh cadence, which teams dropping exports in Dropbox then raise inside your Dropbox files.

    NEXT STEP

    Dropbox to Meta Custom Audience, in production this week.