--- name: "newsletters_write_issue" area: "newsletters" title: "Write an issue" price: "free" method: "POST" url: "https://api.conecto.chat/v1/tools/newsletters_write_issue" mcp_server: "https://api.conecto.chat/mcp/newsletters" auth: "Authorization: Bearer " docs_url: "https://conecto.chat/tools/newsletters/newsletters_write_issue" --- # Write an issue (`newsletters_write_issue`) Writes a draft issue in Markdown, to test and then send. A draft issue in Markdown. Look at it with newsletters_send_test, then send it with newsletters_send_issue. Price: Free. A call that fails costs nothing. ## Use it when A new issue is due. ## Say this to your agent > Draft the October newsletter: the new winter tires, the tune-up special from the 24th, and a photo of the Willamette 8 in green. ## Inputs | Name | Type | Required | Description | Allowed values | Default | |---|---|---|---|---|---| | `newsletter` | string | yes | The newsletter's slug (from newsletters_list) or its exact name. 1 to 120 characters. | | | | `subject` | string | yes | 1 to 200 characters. | | | | `body` | string | yes | Markdown: headings, lists, links, bold, quotes, tables and https images. 1 to 100,000 characters. | | | | `preheader` | string | no | The line mail apps show after the subject. Up to 200 characters. | | | ## Example Written for Halverson Cycle & Repair, a bike shop with a repair workshop in Portland, Oregon. MCP: call `newsletters_write_issue` on the MCP server `https://api.conecto.chat/mcp/newsletters` with these arguments: ```json { "newsletter": "halverson-ride-notes", "subject": "Winter tires are in, and our tune-up special", "preheader": "All-weather and studded tires, and 15% off tune-ups from October 24.", "body": "# Winter tires are in\n\nOur winter tires arrived this week, from all-weather commuter tires to studded ones for icy mornings. We fit them while you wait.\n\n![The Willamette 8 in green](https://halversoncycle.example/img/willamette-green.jpg)\n\n## Tune-up special\n\nFrom October 24 to 31, every tune-up is 15% off.\n\n[See the tires](https://halversoncycle.example/tires)" } ``` REST: ```bash curl https://api.conecto.chat/v1/tools/newsletters_write_issue \ -H "Authorization: Bearer $CONECTO_KEY" \ -H "Content-Type: application/json" \ -d '{"newsletter": "halverson-ride-notes", "subject": "Winter tires are in, and our tune-up special", "preheader": "All-weather and studded tires, and 15% off tune-ups from October 24.", "body": "# Winter tires are in\n\nOur winter tires arrived this week, from all-weather commuter tires to studded ones for icy mornings. We fit them while you wait.\n\n![The Willamette 8 in green](https://halversoncycle.example/img/willamette-green.jpg)\n\n## Tune-up special\n\nFrom October 24 to 31, every tune-up is 15% off.\n\n[See the tires](https://halversoncycle.example/tires)"}' ``` ## Response ```json { "call_id": "5f0c8a2e-3b7d-4c1e-9a64-2d8e1f7b0c93", "tool": "newsletters_write_issue", "status": "succeeded", "replayed": false, "cost_usd": "$0.00", "balance_usd": "$19.75", "result": { "issue": { "issue_id": "cdefc921-c3cb-4222-abe6-4b1274fa3bb5", "number": null, "subject": "Winter tires are in, and our tune-up special", "preheader": "All-weather and studded tires, and 15% off tune-ups from October 24.", "status": "draft", "send_at": null, "web_url": null, "created_at": "2026-10-14T08:00:00+00:00", "finished_at": null } } } ``` `result`: The issue with its issue_id, status draft, subject, preheader and body. ## Errors | Code | Status | When | Fix | |---|---|---|---| | `not_found` | 404 | No newsletter of the business has that slug or name. | Call newsletters_list and use a slug from it. | The refusals every tool can give (401 key, 402 balance, 429 limits) are on the errors page: https://conecto.chat/docs/errors.md ## Related - [newsletters_connect_service](https://conecto.chat/tools/newsletters/newsletters_connect_service.md): Connects the business's own email service (Brevo, Amazon SES, Mailgun or any SMTP server), which every newsletter email goes out through. Free. - [newsletters_remove_service](https://conecto.chat/tools/newsletters/newsletters_remove_service.md): Disconnects the business's email service and forgets its password; newsletters wait until one is connected again. Free. - [newsletters_create](https://conecto.chat/tools/newsletters/newsletters_create.md): Creates a newsletter people join on its own page by confirming their address, sent through the business's own email service. Free. - [newsletters_update](https://conecto.chat/tools/newsletters/newsletters_update.md): Renames a newsletter or changes its description, postal address or archive. Free. - [newsletters_list](https://conecto.chat/tools/newsletters/newsletters_list.md): The business's newsletters with their pages and subscriber counts, and the email service they go out through. Free up to 1,000,000 reads a month. - [newsletters_invite](https://conecto.chat/tools/newsletters/newsletters_invite.md): Emails each person a request to confirm a subscription; only those who confirm ever get an issue. Free. - [newsletters_subscribers](https://conecto.chat/tools/newsletters/newsletters_subscribers.md): Who is on a newsletter, newest first: confirmed, waiting to confirm, unsubscribed, bounced or complained. Free up to 1,000,000 reads a month. - [newsletters_remove_subscriber](https://conecto.chat/tools/newsletters/newsletters_remove_subscriber.md): Deletes someone from a newsletter for good, with their history. Free. - [newsletters_update_issue](https://conecto.chat/tools/newsletters/newsletters_update_issue.md): Changes a draft issue's subject, body or preheader. Free. - [newsletters_send_test](https://conecto.chat/tools/newsletters/newsletters_send_test.md): Emails an issue to up to 5 addresses as subscribers will see it, marked [Test]. Free. - [newsletters_send_issue](https://conecto.chat/tools/newsletters/newsletters_send_issue.md): Sends a draft to everyone who confirmed, now or at a set time, through the business's own email service. Free. - [newsletters_cancel_issue](https://conecto.chat/tools/newsletters/newsletters_cancel_issue.md): Stops a scheduled issue, or one still going out; what went out already stays sent. Free. - [newsletters_get_issue](https://conecto.chat/tools/newsletters/newsletters_get_issue.md): One issue: its text, where it stands, and once sent how many it reached, bounced, unsubscribed and clicked, link by link. Free up to 1,000,000 reads a month. - [newsletters_list_issues](https://conecto.chat/tools/newsletters/newsletters_list_issues.md): A newsletter's issues, newest first, optionally of one status. Free up to 1,000,000 reads a month.