Bulk Add Contacts from CSV File

documented

Add a CSV file of contacts to a list (or create a new list and upload).

POST /add-contacts-bulk.jsonTransmit SMS API (v1)no implementation yet0 runs

Runs (30 d)

Success rate

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p50 latency

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p95 latency

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Distinct callers

Runs per day

No run in the last 30 days.

Every run is logged with a redacted input and an anonymised output shape. Stages promote automatically: developed after one good run, tested when benchmarks pass, reliable at ≥97% over 30 days across several callers.