Qualisend
· API Sandbox
New run
Label (optional)
Target
Production — app.qualisend.com (real credits)
Staging — dev.qualisend.com (test mode)
API key
Mode
Drip — one POST /api/verify per address, paced
Bulk — whole list as one job, polled
Rate (emails per minute, max 120)
Emails (paste — newline / comma / space separated)
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