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Aggregate email verification with BillionVerify

Aggregate is a developer-focused data aggregation tool that collects and consolidates information from multiple sources into unified datasets. When email addresses are part of that aggregated data, BillionVerify adds a validation layer so only clean, deliverable contacts make it into your final outputs.

Why verify before the send

Aggregated datasets almost always contain email addresses gathered from varied sources with inconsistent quality controls. Running verification through BillionVerify before these datasets are consumed by downstream applications removes invalid, duplicate-risk, and disposable addresses, preventing bad data from silently degrading the quality of every system that relies on the aggregated output.

Ready-to-use n8n workflow

Import this workflow into n8n — it verifies every address with BillionVerify before Aggregate sends, so only deliverable contacts are emailed. Install the BillionVerify community node first, then add your API key. Adapted from this n8n template

verify-emails-in-aggregate.json22 KB · n8n workflow

Workflow templates with Aggregate

Ready-to-use workflows that verify emails before Aggregate sends.

How it works

  1. 1

    Use the BillionVerify n8n community node or REST API to add a verification step in your Aggregate-powered data pipeline.

  2. 2

    After Aggregate consolidates records, pass each email address field to BillionVerify for validation.

  3. 3

    BillionVerify checks format, domain existence, mailbox activity, and flags disposable or role-based addresses.

  4. 4

    Write only verified-valid addresses to your target system, or include the verification status as an enrichment field.

  5. 5

    Schedule periodic re-verification for long-lived datasets to catch addresses that become invalid over time.

When to use this

Clean email fields before dataset delivery

After Aggregate compiles records from multiple APIs or databases, pipe email fields through BillionVerify before the dataset is written to its final destination, ensuring downstream consumers always receive verified addresses.

Enrich aggregated records with verification status

Append BillionVerify's result—valid, invalid, catch-all, disposable—as a metadata field on each aggregated record. Recipients of the dataset can then filter by quality tier without running their own checks.

FAQ

Can BillionVerify handle the volume that Aggregate produces?

Yes. BillionVerify's REST API supports high-throughput bulk verification, making it suitable for large aggregated datasets with thousands or millions of email addresses.

What integration method works best for a data aggregation pipeline?

For developer-built pipelines, the REST API gives the most flexibility. For no-code or low-code setups, the n8n community node or Integrately integration are the fastest paths.

How do I handle catch-all results in an aggregated dataset?

BillionVerify returns catch-all addresses as a distinct category. You can choose to include them with a lower confidence score or exclude them entirely, depending on how the dataset will be used.

Does BillionVerify verify addresses in real time or only in batch mode?

Both. You can verify individual addresses in real time via the API or submit large batches for bulk processing, whichever fits your aggregation workflow best.

Verify emails in Aggregate

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