Best email APIs for an e-commerce store agent: receipts, order updates and refunds without a runaway outbox
A store agent sending receipts and refund notices fails by sending the same message twice after a retry. The pick is AgentiSend: a 7-day idempotency window, a per-key message budget, loop detection, a one-request kill switch and an approval queue.
What belongs on a transactional email checklist when agents run the store?
Verify the domain, give each agent a send-only key with a ceiling, put an idempotency key on every send, and treat a held send as waiting rather than failed. Eight items for a store before its agent sends a single receipt.
The receipt email an agent should be refused: how a store’s order agent is stopped
The receipt sends. The fourth identical copy to the same buyer inside 60 minutes is held, the answer is approval_required, and the fix names the call a person uses to release it. A walkthrough of how a store’s order agent is stopped.
Transactional email when the sender is an agent, not a person
Agents that send email need a budget, loop detection and a kill switch. What that looks like in practice, with the three API calls that set it up.
Meta Muse and Muse Code: Can Meta’s Agents Run Your Outreach?
What Meta documents about Muse connectors and safety, what we verified against the real Muse Code binary, and the honest limits of running cold email, LinkedIn, Instagram and WhatsApp from Meta’s agents.
ChatGPT and Codex for Outbound: What an Agent Can and Cannot Do With Your Outreach
Which ChatGPT plans can add a custom connector, the two-line Codex setup, and the exact boundaries of what an AI agent can do with your cold email, warmup and social outreach.
Grok Bot Meets WhatsApp and Instagram Outreach: An Agency Workflow
Grok Bot runs on a persistent cloud machine with a browser. Here is why our agency gives it scheduled outreach tools instead, and exactly what it can and cannot do with WhatsApp and Instagram.
Cursor as a Sales Tool: LinkedIn and Email Outreach From Your Editor
How our agency runs LinkedIn and cold email campaigns from Cursor: the mcp.json block, what the editor can and cannot do with a LinkedIn account, and why the ramp cannot be talked into going faster.
We Run Our Clients’ Cold Email From Claude Now — Here’s the Exact Setup
The exact setup our agency uses to build and launch cold email campaigns from Claude and Claude Code: the connector, the commands, what we ask for, and why the agent never sends anything itself.
Best Grok Bot Plugins and MCP Servers for Sales and Outreach (2026)
A job-by-job guide to the Grok Bot plugins and MCP servers worth wiring into a 2026 sales agent — including the one job the marketplace doesn’t cover.