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AgentiSend vs Amazon SES
Yes, when you would otherwise build the log, the webhooks and the per-key budget yourself. No, when price per message is the deciding number. A Free plan that does not expire: 5,000 emails a month, 170 a day, 3 domains, no card. Then plans from $9 a month (Starter, 30,000 emails). No daily cap on paid plans; delivery paced per inbox provider. Or 40% off paid yearly.
Pick Amazon SES when price per message is the deciding number, when you want a one-call account pause that is already documented, or when you need inbound mail; pick AgentiSend when you want the log, the per-key budget and the kill switch without assembling them. The figures below are from AWS pages fetched on 28 September 2026 and from this product's pricing table and published API.
Moving across? How a migration from Amazon SES actually goes.
| What matters | AgentiSend | Amazon SES |
|---|---|---|
| Price at 100,000 emails a month | $16 a month on Pro, which is $0.32 per 1,000. Sending pauses at the inclusion unless an owner turns overage on, up to a ceiling they set. | Amazon SES Essentials is $0.16 per 1,000 for the first 10 million emails a month. The pricing page says new accounts, and account-region pairs with no metered activity since 1 June 2025, start on Essentials from 21 July 2026. À la carte outbound remains $0.10 per 1,000. |
| Trying it before paying | A Free plan that does not expire: 5,000 emails a month, 170 a day, 3 domains, no card. Then plans from $9 a month (Starter, 30,000 emails). No daily cap on paid plans; delivery paced per inbox provider. Or 40% off paid yearly. | New AWS accounts receive up to $200 in credits that can apply to this service. The free plan is available for 6 months after account creation, and credits must be used within 12 months. |
| Stop every sender at once | POST /limits/kill-all pauses every key in one request, and sends then return kill_switch_active. POST /limits/resume-all turns it off. Both write an audit row. | PUT /v2/email/account/sending with SendingEnabled set to false disables the account's ability to send. If the provider paused the account, that call cannot turn sending back on. |
| A spending limit per key | Every 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-credential send budget is not on the pricing page or the account-sending page. |
| A retry never sends twice | Idempotency-Key is accepted on every endpoint that changes something and remembered for 7 days. | The SendEmail reference does not document an idempotency key. A retried call is not described as returning the first result. |
| What a refusal tells you | Every refused request carries code, message, fix (the call that repairs it), docs_url and retryable. | PutAccountSendingAttributes documents BadRequestException and TooManyRequestsException. A fix field naming the next call is not on that page. |
| How long the log keeps a message | 7 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. | The pricing page does not include a message log. It prices storage you configure yourself, including S3 and CloudWatch. |
| Receiving mail | Receiving is a switch on each verified domain: publish one MX record and mail to that domain is stored on your account, with extracted_text beside the raw body, a clear or review label on every message, an optional hold until a person releases it, and allow and block rules per domain. There is no inbox object; the domain is the address. | À la carte inbound email is $0.10 per 1,000. Mail Manager processing is priced separately. |
| A dedicated address | Dedicated IP on request. Once one is assigned, the published ramp is 20% of volume to day 7, 40% to day 14, 60% to day 21, 80% to day 28, then all of it, on GET /dedicated-ips/ramp. | À la carte standard dedicated IPs are $24.95 a month per IP. Managed dedicated IPs are a separate add-on. |
Sources
- Price at 100,000 emails a month. Ours: the published API, /pricing and /security. Theirs: https://aws.amazon.com/ses/pricing/ (captured 2026-09-28).
- Trying it before paying. Ours: the published API, /pricing and /security. Theirs: https://aws.amazon.com/ses/pricing/ (captured 2026-09-28).
- Stop every sender at once. Ours: the published API, /pricing and /security. Theirs: https://docs.aws.amazon.com/ses/latest/APIReference-V2/API_PutAccountSendingAttributes.html (captured 2026-09-28).
- A spending limit per key. Ours: the published API, /pricing and /security. Theirs: https://aws.amazon.com/ses/pricing/ (captured 2026-09-28).
- A retry never sends twice. Ours: the published API, /pricing and /security. Theirs: https://docs.aws.amazon.com/ses/latest/APIReference-V2/API_SendEmail.html (captured 2026-09-28).
- What a refusal tells you. Ours: the published API, /pricing and /security. Theirs: https://docs.aws.amazon.com/ses/latest/APIReference-V2/API_PutAccountSendingAttributes.html (captured 2026-09-28).
- How long the log keeps a message. Ours: the published API, /pricing and /security. Theirs: https://aws.amazon.com/ses/pricing/ (captured 2026-09-28).
- Receiving mail. Ours: the published API, /pricing and /security. Theirs: https://aws.amazon.com/ses/pricing/ (captured 2026-09-28).
- A dedicated address. Ours: the published API, /pricing and /security. Theirs: https://aws.amazon.com/ses/pricing/ (captured 2026-09-28).