<!-- Canonical: https://www.agentlist.io/systems/resend -->

# Resend

[09 agent-services](https://www.agentlist.io/categories/agent-services)/[Resend](https://www.agentlist.io/ai/resend)/ACTIVE

Resend provides sending and inbound email APIs for applications, with webhooks and an official MCP server for agent access.

-   [Messaging surface](https://www.agentlist.io/capabilities/messaging-infra)
-   [API-native](https://www.agentlist.io/capabilities/api-native)
-   [MCP tools](https://www.agentlist.io/capabilities/mcp)

SEC.01

## What it does

-   01Transactional email API
-   02Inbound email receiving
-   03Incoming-email webhooks
-   04Message and attachment retrieval
-   05Official MCP server
-   06Custom sending and receiving domains

SEC.02

## Who it's for

An existing application that needs an agent to process incoming email or prepare replies within its own workflow.

PRICING

## Pricing

Transactional Free: 3,000 emails/month, 100/day; Pro: $20/month for 50,000, plus overages. Counts sent and received mail; each To, Cc, and Bcc recipient counts separately (checked October 12, 2026). List prices as checked against the vendor's pricing page on 2026-10-12; plans change often, so confirm before deciding.

caveat · before you adopt

Keep customer, task, and approval state in your application. Fetch the message body and attachments after an inbound event instead of assuming the webhook contains the full email. Documentation reviewed October 12, 2026; no hands-on delivery benchmark.

ALT

## Other agent services (19)

[AgentMail AgentMail · agent-services api · cloud · Free: 3 inboxes / 3,000 emails per month; Developer: $20/month, 10 inboxes / 10,000 emails (checked October 12, 2026)](https://www.agentlist.io/systems/agentmail)

[x402 Coinbase · agent-services api · local/cloud · Open protocol (free); settlement on-chain](https://www.agentlist.io/systems/x402)

[Agent Payments Protocol Google · agent-services api · local/cloud · Open protocol (free)](https://www.agentlist.io/systems/ap2)

[Skyfire Skyfire · agent-services api · cloud · Usage-based (verify)](https://www.agentlist.io/systems/skyfire)

[Payman Payman · agent-services api · cloud · Usage-based (verify)](https://www.agentlist.io/systems/payman)

[Nevermined Nevermined · agent-services api · cloud · Usage-based (verify)](https://www.agentlist.io/systems/nevermined)

[AgentCard AgentCard · agent-services api/cli · cloud · Per-card funding; no subscription](https://www.agentlist.io/systems/agentcard)

[Keycard Keycard · agent-services api · cloud · Usage-based (verify)](https://www.agentlist.io/systems/keycard)

[Arcade Arcade · agent-services api · cloud · Free tier; usage-based (verify)](https://www.agentlist.io/systems/arcade)

[Scalekit Scalekit · agent-services api · cloud · Free tier; usage-based (verify)](https://www.agentlist.io/systems/scalekit)

[Composio Composio · agent-services api · local/cloud · Free tier; usage-based (verify)](https://www.agentlist.io/systems/composio)

[E2B E2B · agent-services api · cloud · Hobby: usage-based; Pro $150/mo plus usage](https://www.agentlist.io/systems/e2b)

[Browserbase Browserbase · agent-services api · cloud · Free tier; usage-based (verify)](https://www.agentlist.io/systems/browserbase)

[Exa Exa · agent-services api · cloud · Free tier; per-request pricing](https://www.agentlist.io/systems/exa)

[Mem0 Mem0 · agent-services api · local/cloud · Free OSS; cloud tiers (verify)](https://www.agentlist.io/systems/mem0)

[OpenMail OpenMail · agent-services api · cloud · Free: 3 inboxes / 3,000 emails per month; Pro: €9/month plus usage, 10 inboxes / 10,000 emails (checked October 12, 2026)](https://www.agentlist.io/systems/openmail)

[Nylas Nylas · agent-services api · cloud · Free tier; Essentials: $15/month, with separate Connect and Agent Accounts allowances (checked October 12, 2026)](https://www.agentlist.io/systems/nylas)

[Postmark Postmark · agent-services api · cloud · Free developer tier: 100 emails/month; Pro with inbound processing: $16.50/month at 10,000 emails (checked October 12, 2026)](https://www.agentlist.io/systems/postmark)

[Daytona Daytona · agent-services api/cli · cloud · Usage-based CPU, memory, and storage; introductory credits](https://www.agentlist.io/systems/daytona)

FAQ

## Frequently asked

### What is Resend?

Resend provides sending and inbound email APIs for applications, with webhooks and an official MCP server for agent access.

### Who is Resend for?

An existing application that needs an agent to process incoming email or prepare replies within its own workflow.

### How much does Resend cost?

Transactional Free: 3,000 emails/month, 100/day; Pro: $20/month for 50,000, plus overages. Counts sent and received mail; each To, Cc, and Bcc recipient counts separately (checked October 12, 2026). List prices as checked against the vendor's pricing page on 2026-10-12; plans change often, so confirm before deciding.

### Does Resend run locally or in the cloud?

Resend runs in the vendor's cloud. Its interfaces are an API or protocol.

### What are alternatives to Resend?

Other agent service entries in the catalog: AgentMail, x402, Agent Payments Protocol, Skyfire, Payman, Nevermined, AgentCard, Keycard, Arcade, Scalekit, Composio, E2B, Browserbase, Exa, Mem0, OpenMail, Nylas, Postmark, Daytona. Different categories solve the same problem differently — see the Agent services category page for tradeoffs.

### What should I know before adopting Resend?

Keep customer, task, and approval state in your application. Fetch the message body and attachments after an inbound event instead of assuming the webhook contains the full email. Documentation reviewed October 12, 2026; no hands-on delivery benchmark.

Spec sheet

**Name**: Resend

**Vendor**: [Resend](https://www.agentlist.io/ai/resend)

**Category**: [Agent services](https://www.agentlist.io/categories/agent-services)

**Interfaces**: api

**Hosting**: cloud

**Pricing**: Transactional Free: 3,000 emails/month, 100/day; Pro: $20/month for 50,000, plus overages. Counts sent and received mail; each To, Cc, and Bcc recipient counts separately (checked October 12, 2026)

**Status**: actively maintained

**Speaks**: -   [Email (SMTP/IMAP)](https://www.agentlist.io/transports/email)
-   [Webhooks](https://www.agentlist.io/transports/webhooks)
-   [MCP (Model Context Protocol)](https://www.agentlist.io/transports/mcp)

**Record ID**: `sys://resend/resend`

**Verified**: [2026-10-12](https://www.agentlist.io/changelog)

Before you choose

-   [Email for AI agents: AgentMail and four alternatives](https://www.agentlist.io/articles/email-for-ai-agents-agentmail-alternatives)

Sources

-   [↗ resend.com](https://resend.com/)
-   [↗ resend.com/features/inbound](https://resend.com/features/inbound)
-   [↗ resend.com/changelog/mcp](https://resend.com/changelog/mcp)
-   [↗ resend.com/pricing](https://resend.com/pricing)
-   [↗ resend.com/docs/knowledge-base/what-is-resend-pricing](https://resend.com/docs/knowledge-base/what-is-resend-pricing)

Catalog entries are editorial records, not paid placements or endorsements. Pricing and status are approximate as of the verification date shown above.

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Source: [Resend — AGENT-SVC by Resend | agentlist.io](https://www.agentlist.io/systems/resend). This is the public page rendered as Markdown; interactive controls require the website.
