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Alternatives

Loops alternative for AI agents: AgentiSend compared (2026)

Is AgentiSend a Loops alternative?

Yes, for transactional email an agent sends through an API. A Free plan that does not expire: 1,000 emails a month, 100 a day, 3 domains, no card. Then plans from $9 a month (Starter, 30,000 emails). No plan daily cap; delivery paced per inbox provider. Or 20% off paid yearly. It is not a replacement for a product that is ahead on the rows marked in the other column.

Pick Loops when you price by subscribed contacts and want sending included, or when you want their hosted MCP with OAuth; pick AgentiSend when each agent key needs its own send budget and a kill switch. The figures below are from Loops pages fetched on 28 September 2026 and from this product's pricing table and published API.

What mattersAgentiSendLoops
A spending limit per keyEvery key is created with a send budget. The send path refuses with agent_budget_exceeded when it is spent, and a key cannot raise its own. The plan inclusion is a second ceiling (plan_limit_reached).A per-key send budget is not on the pricing page or the MCP page.
What a refusal tells youEvery refused request carries code, message, fix (the call that repairs it), docs_url and retryable.The send-transactional page documents 409 for a reused key, 404 when the template is missing, and 400 for other errors. A fix field naming the next call is not on that page.
A retry never sends twiceIdempotency-Key is accepted on every endpoint that changes something and remembered for 7 days.Idempotency-Key is optional, up to 100 characters. The send-transactional page says a key reused within 24 hours returns 409 Conflict.
How long the log keeps a message7 days on Free, 30 on Starter, 90 on Pro, 180 on Scale. It is part of the plan and there is no add-on to buy.A retention period is not stated on the pricing page or the MCP page.

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