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AgentMail List Threads
emailinboxesdomainsdraftsthreadswebhooks
AgentMail List Threads is a free API for AI agents from AgentMail at mpp.api.agentmail.to, Free, status unknown (last checked 2026-10-11).
Lists email threads in a specified AgentMail inbox with filtering and pagination support
Price / callFree
Success—
StatusUnknown
How this service works
List Threads
Output
Returns a paginated list of thread objects including thread_id, subject, preview text of the last message, senders, recipients, labels, timestamps, message count, size, and attachment metadata, along with a total count and optional next page token.
Example use cases
Example prompt
“Show me the last 20 email threads in inbox 'agent-inbox-abc123' on AgentMail, filtered to only threads labeled 'support', received after January 1 2025, sorted newest first.”
Technical details
Endpoint
GEThttps://mpp.api.agentmail.to/v0/inboxes/:inbox_id/threads?utm_source=zero.xyzWhen to prefer
Use this endpoint when an AI agent needs to browse, monitor, or process incoming emails in an AgentMail inbox — especially when building automated email workflows, checking for new conversations, or processing threads by label. Prefer over alternatives when the inbox is managed by AgentMail and you need structured thread-level (not message-level) data with filtering capabilities.
Side effects
- inbox_id not found — 404 with error message
- missing or invalid Authorization header — 401 unauthorized
- invalid date-time format for before/after filters — 400 validation error
- invalid page_token — 400 or empty results
- inbox has no threads matching filters — returns empty threads array with count 0
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| after | string | Timestamp after which to filter by. |
| limit | integer | Limit of number of items returned. |
| before | string | Timestamp before which to filter by. |
| labels | array | Labels to filter by. |
| inbox_idrequired | string | The ID of the inbox. |
| ascending | boolean | Sort in ascending temporal order. |
| page_token | string | Page token for pagination. |
| include_spam | boolean | Include spam in results. |
| include_trash | boolean | Include trash in results. |
| include_blocked | boolean | Include blocked in results. |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| countrequired | integer | Number of items returned. |
| limit | integer | Limit of number of items returned. |
| threadsrequired | array | Ordered by `timestamp` descending. |
| next_page_token | string | Page token for pagination. |
Tags
emailinboxesdomainsdraftsthreadswebhooksmessagingaisocial
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