# Ziett ## Docs - [API Docs - Ziett](https://docs.ziett.co/api-docs-ziett-782911m0.md): - API Reference [API Reference Overview](https://docs.ziett.co/api-reference-overview-1920773m0.md): ## API Docs - API Reference > Messages [Send Transactional Message](https://docs.ziett.co/send-transactional-message-26750501e0.md): Submit a request to send a single transactional message to a specific recipient. This endpoint is designed for high-reliability programmatic notifications. - API Reference > Messages [List Organization Messages](https://docs.ziett.co/list-organization-messages-26750500e0.md): Retrieve a paginated list of all messages sent by your organization. This endpoint provides powerful filtering and search capabilities to audit your communication history. - API Reference > Messages [Retrieve Message Details](https://docs.ziett.co/retrieve-message-details-26750502e0.md): Fetch the full details of a specific message using its unique identifier. This is useful for verifying delivery status, inspection costs, and identifying the time of delivery or any errors encountered during the process. - API Reference > Campaigns [List Organization Campaigns](https://docs.ziett.co/list-organization-campaigns-26750503e0.md): Retrieve a paginated list of all batch message campaigns created by your organization. Use this endpoint to monitor the status and performance of your bulk sends. - API Reference > Campaigns [Create Batch Campaign](https://docs.ziett.co/create-batch-campaign-26750504e0.md): Initiate a large-scale messaging campaign for multiple recipients. The system will process the list, validate numbers, and queue them for delivery. - API Reference > Campaigns [List Campaign Messages](https://docs.ziett.co/list-campaign-messages-26750505e0.md): Retrieve all individual messages associated with a specific campaign. Use this to check the delivery status of each recipient in a batch send. - API Reference > Campaigns [Retrieve Campaign Details](https://docs.ziett.co/retrieve-campaign-details-26750506e0.md): Fetch detailed information about a specific campaign, including its current status, total cost, and recipient count.