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Nylas Python SDK v6.15.0

sdkspython

Added

Section titled “Added”

  • Transactional Send — New client.transactional_send.send(domain_name, request_body, …) targets POST /v3/domains/{domain_name}/messages/send. Behavior aligns with grant messages.send: from_ serializes to from, requests switch from JSON to multipart once attachments cross the 3 MB threshold, and stream attachments are base64-encoded for JSON sends. See the Transactional Send quickstart and the API reference.

  • Manage Domains API — New client.domains resource for /v3/admin/domains with list, create, find, update, destroy, get_info, and verify. Use it to programmatically register and verify custom domains for Transactional Send and Agent Accounts. See the Manage Domains guide.

  • Nylas service account request signing — New ServiceAccountSigner in nylas.handler.service_account, plus an optional signer argument on every Domains method. When a signer is provided the SDK attaches X-Nylas-Kid, X-Nylas-Nonce, X-Nylas-Timestamp, and X-Nylas-Signature headers, using canonical JSON so the signed bytes match what’s sent on the wire. Adds cryptography as a dependency.

  • Policies API — New client.policies resource exposes full CRUD against /v3/policies with typed models for query params, create/update bodies, and nested response data (options, limits, spam_detection). Policies are the container that governs which Rules and Lists apply to an Agent Account.

  • Rules API — New client.rules namespace covers the full Rules surface: list, create, find, update, destroy, and list rule evaluations. Works with the recently added outbound rules and recipient-based conditions. See the Rules API reference.

  • Lists API — New client.lists resource with full list CRUD and list-item operations: list, create, find, update, delete lists; list, add, and remove list items. Use a single managed allow-list or deny-list across both inbound and outbound Rules via the in_list operator.

Fixed

Section titled “Fixed”
  • ListGrantsQueryParams camelCase keys — sortBy, orderBy, and grantStatus were being sent to the API as-is and silently ignored. They’re now normalized to sort_by, order_by, and grant_status at serialization time. Type hints prefer snake_case going forward, and the camelCase fields are kept as deprecated aliases for backwards compatibility.