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    CONNECTIONS / CouchDB / CouchDB to Meta Custom Audience

    CouchDB documents into Meta, built for Meta lookalike and suppression seeds.

    Signals reads your CouchDB documents through a read-only database user scoped to the CouchDB documents you name, then keeps Meta audiences synced as adds and removals so lists never drift so Meta sees match-ready audiences without an export.

    couchdb -> meta-custom-audience :: live

    1. ● couchdb → meta.audience :: live
    2. > read segments rows=21,571
    3. hash sha256(email,phone) consent=filtered
    4. route meta deliver
    5. ✓ delivered · 17,904 matched

    WHAT THIS ENABLES

    CouchDB to Meta Custom Audience

    Meta Custom Audience for CouchDB: Signals keeps Meta audiences synced as adds and removals so lists never drift straight from your CouchDB documents, hashed and consent-screened each time the read runs.

    • Signals keeps Meta audiences synced as adds and removals so lists never drift, reading your CouchDB documents each time the read runs.
    • Always-current lookalike seeds and exclusions, with no export step out of your CouchDB documents.

    WHAT FLOWS WHERE

    CouchDB to Custom Audience, mapped.

    Each sync hands the customer segments from your CouchDB documents 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 CouchDB documents 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 CouchDB documents and map/reduce views.

    Application teams running CouchDB who need lookalike seeds and suppression lists that track your live customer base out of CouchDB documents.

    HOW DATAHASH SETS IT UP

    From kickoff to verified events.

    1. Connect

      A read-only database user scoped to the CouchDB documents you name, mapped to Meta's Custom Audiences API and tuned for audience refresh cadence.

    2. Map

      Columns from your CouchDB documents align to Meta's Custom Audiences API in the visual mapper, hashed as the read runs and checked for audience refresh cadence.

    3. Deliver

      Each time the read runs, Signals reads your CouchDB documents and keeps Meta audiences synced as adds and removals so lists never drift, reads only the records changed since the last run, 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 CouchDB documents, delivered each time the read runs.

    Always-current lookalike seeds and exclusions out of your CouchDB documents, delivered each time the read runs without read load on the database climbing.

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

    ON THE WIRE

    What Custom Audience actually receives.

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

    1. ● signals :: audience upload
    2. > POST /customaudiences source=couchdb.segments
    3. schema ["EMAIL_SHA256","PHONE_SHA256"]
    4. num_received 21,571 · num_invalid_entries 118
    5. audience_id "1651692" · session "upsert"
    6. ✓ accepted match=83%
    FAQ

    Asked on almost every call.

    How often does the CouchDB Meta Custom Audience sync run?

    Delivery tracks CouchDB, run by application teams running CouchDB: a near-real-time or scheduled sync of your CouchDB documents feeds Meta on that cadence. Each run reads only the records changed since the last run, 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 CouchDB-sourced Meta Custom Audience batch expect?

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

    NEXT STEP

    CouchDB to Meta Custom Audience, in production this week.