Create a key to copy examples filled with your team.
Send test emails
Use the cluster test-send form or the send API.
The cluster page has a Send a message button. That form posts the same fields as POST /api/v1/teams/:team_id/clusters/:cluster_id/sends and goes through the same submit path.
What the form sends
from,to,cc,bcc,reply_to,subjecttextandhtml- File uploads, stored as
{filename, content_type, content} headersandunique_argsas JSON objectstenantwhen the team has extra tenants
send.sh
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curl -sS -X POST \
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-H 'Authorization: Bearer YOUR_API_KEY' \
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-H 'Content-Type: application/json' \
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-d '{
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"send": {
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"from": "hello@mail.example.com",
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"to": ["you@example.com"],
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"subject": "PostShiba test",
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"text": "hello from PostShiba",
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"unique_args": {"campaign_id": "cmp_123", "site": "docs"}
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}
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}' \
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https://postshiba.com/api/v1/teams/1/clusters/4/sends
A queued send redirects back to the cluster with the Message-ID. The same 403 errors apply. cluster_not_ready, domain_unverified, credential_missing, and suppressed.
The cluster page also shows SMTP, HTTP inject, and REST recipes. Those talk to the cluster host or this API. They are not a second send stack.