Agent Mail Threads

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Blocks for listing, retrieving, and deleting conversation threads in AgentMail. Threads group related messages into a single conversation and can be queried per-inbox or across the entire organization.

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Agent Mail Delete Inbox Thread

What it is

Permanently delete a conversation thread and all its messages. This action cannot be undone.

How it works

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The block calls the AgentMail API to permanently delete a thread and all of its messages from the specified inbox. It requires both the inbox ID (or email address) and the thread ID.

On success the block outputs success=True. If the API returns an error (for example, the thread does not exist), the error propagates to the global error handler and the block outputs an error message instead.

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Inputs

Input	Description	Type	Required
inbox_id	Inbox ID or email address the thread belongs to	str	Yes
thread_id	Thread ID to permanently delete	str	Yes

Outputs

Output	Description	Type
error	Error message if the operation failed	str
success	True if the thread was successfully deleted	bool

Possible use case

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• GDPR Data Removal — Permanently delete conversation threads when a user requests erasure of their personal data.
• Spam Cleanup — Automatically remove threads flagged as spam by an upstream classification block.
• Conversation Archival Pipeline — Delete threads from the live inbox after they have been exported to long-term storage.

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Agent Mail Get Inbox Thread

What it is

Retrieve a conversation thread with all its messages. Use for getting full conversation context before replying.

How it works

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The block fetches a single thread from a specific inbox by calling the AgentMail API with the inbox ID and thread ID. It returns the thread ID, the full list of messages in chronological order, and the complete thread object as a dictionary.

Any API error (such as an invalid thread ID or insufficient permissions) propagates to the global error handler, and the block outputs an error message.

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Inputs

Input	Description	Type	Required
inbox_id	Inbox ID or email address the thread belongs to	str	Yes
thread_id	Thread ID to retrieve	str	Yes

Outputs

Output	Description	Type
error	Error message if the operation failed	str
thread_id	Unique identifier of the thread	str
messages	All messages in the thread, in chronological order	List[Dict[str, Any]]
result	Complete thread object with all metadata	Dict[str, Any]

Possible use case

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• Context-Aware Replies — Retrieve the full conversation history before generating an AI-drafted reply to ensure continuity.
• Conversation Summarization — Pull all messages in a thread and pass them to a summarization block for a digest.
• Support Ticket Review — Fetch a specific customer thread so a QA agent can evaluate response quality.

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Agent Mail Get Org Thread

What it is

Retrieve a conversation thread by ID from anywhere in the organization, without needing the inbox ID.

How it works

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The block performs an organization-wide thread lookup by calling the AgentMail API with only the thread ID. Unlike the inbox-scoped variant, no inbox ID is required because the API resolves the thread across all inboxes in the organization.

It returns the thread ID, all messages in chronological order, and the complete thread object. Errors propagate to the global error handler.

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Inputs

Input	Description	Type	Required
thread_id	Thread ID to retrieve (works across all inboxes)	str	Yes

Outputs

Output	Description	Type
error	Error message if the operation failed	str
thread_id	Unique identifier of the thread	str
messages	All messages in the thread, in chronological order	List[Dict[str, Any]]
result	Complete thread object with all metadata	Dict[str, Any]

Possible use case

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• Cross-Inbox Thread Tracking — Look up a thread by ID when the originating inbox is unknown, such as from a webhook or external reference.
• Supervisor Agent Oversight — Allow a manager agent to inspect any conversation across the organization without needing inbox-level routing.
• Audit and Compliance — Retrieve a specific thread for compliance review when only the thread ID is available from a log or report.

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Agent Mail List Inbox Threads

What it is

List all conversation threads in an AgentMail inbox. Filter by labels for campaign tracking or status management.

How it works

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The block lists conversation threads within a single inbox by calling the AgentMail API with the inbox ID and optional pagination and filtering parameters. You can set a limit (1-100), pass a page token for pagination, and filter by labels so that only threads matching all specified labels are returned.

The block outputs the list of thread objects, the count of threads returned in this page, and a next-page token for retrieving additional results. Errors propagate to the global error handler.

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Inputs

Input	Description	Type	Required
inbox_id	Inbox ID or email address to list threads from	str	Yes
limit	Maximum number of threads to return per page (1-100)	int	No
page_token	Token from a previous response to fetch the next page	str	No
labels	Only return threads matching ALL of these labels (e.g. ['q4-campaign', 'follow-up'])	List[str]	No

Outputs

Output	Description	Type
error	Error message if the operation failed	str
threads	List of thread objects with thread_id, subject, message count, labels, etc.	List[Dict[str, Any]]
count	Number of threads returned	int
next_page_token	Token for the next page. Empty if no more results.	str

Possible use case

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• Inbox Dashboard — List all threads in a support inbox to display an overview of active conversations.
• Campaign Monitoring — Filter threads by a campaign label to track how many conversations a specific outreach effort has generated.
• Stale Thread Detection — Paginate through all threads in an inbox to identify conversations that have not received a reply within a set time window.

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Agent Mail List Org Threads

What it is

List threads across ALL inboxes in your organization. Use for supervisor agents, dashboards, or cross-agent monitoring.

How it works

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The block lists threads across all inboxes in the organization by calling the AgentMail API without an inbox ID. It accepts optional limit, page-token, and label-filter parameters, which are forwarded directly to the API.

Results include threads from every inbox the organization owns. The block outputs the list of thread objects, the count for the current page, and a next-page token for pagination. Errors propagate to the global error handler.

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Inputs

Input	Description	Type	Required
limit	Maximum number of threads to return per page (1-100)	int	No
page_token	Token from a previous response to fetch the next page	str	No
labels	Only return threads matching ALL of these labels	List[str]	No

Outputs

Output	Description	Type
error	Error message if the operation failed	str
threads	List of thread objects from all inboxes in the organization	List[Dict[str, Any]]
count	Number of threads returned	int
next_page_token	Token for the next page. Empty if no more results.	str

Possible use case

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• Organization-Wide Activity Feed — Build a real-time dashboard showing the latest conversations across every agent inbox.
• Cross-Agent Analytics — Aggregate thread counts and labels across all inboxes to measure overall communication volume and topic distribution.
• Escalation Routing — Scan all org threads for a specific label (e.g., "urgent") and route matching threads to a dedicated escalation agent.

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