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apis & sending articles

Practical guides to email APIs and sending: provider selection, SMTP, batching, pricing, limits, and transactional email patterns for AI-agent builders.

GET /blog/category/apisindex.md28 posts · ~131,639 tokensschema: CollectionPage + ItemList
GET /blog/category/apis28 posts ·

Latest · apis & sending

Best Inbound Email API: 2026 Comparison for Developers

Compare the best inbound email APIs for 2026: webhook parsers, sender-first platforms and persistent agent mailboxes, with criteria for picking the right one.

2026-11-0913 min read~3,949 tokens.md

apis & sending

wiring, limits, pricing · 10 on this page
Multi-Tenant Email API: Architecture and Isolation Guideper tenant email2026-11-06~4,427apis & sendingReferences Header in Email: How Reply Threading Worksthread reply headers2026-11-03~4,040apis & sendingCross-Mailbox Search API: What to Look For in 2026cross mailbox search2026-10-27~4,530apis & sendingMultipart/alternative email: structure, order and parsingmultipart alternative email2026-10-25~4,635apis & sendingThe In-Reply-To Header: How Email Threading Worksreply parsing automation2026-10-21~4,294apis & sendingDomain-Based Routing for Email: Inbound, Outbound and Agentsdomain based routing2026-10-19~4,270apis & sendingWebhook HMAC for Developers: 7 Checks to Verify Raw Body Signatureswebhook hmac verification2026-10-15~3,215apis & sendingRFC 5321 for Developers: Follow the Standard, Not the DraftSMTP protocol standards2026-10-14~5,384apis & sendingInbound Email Routing: Why Agent Mailboxes Beat Raw Forwardstriggered email workflows2026-10-13~2,882apis & sendingHTTP Idempotency Keys for API Developers: Handle 400, 409, 422idempotency key email2026-10-10~4,517apis & sending

One post, when there is one worth sending

No cadence, no digest. Just the next piece on running email for agents.

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