agentlist
Nylas logo

Nylas

09 agent-services/Nylas/ACTIVE

Nylas connects applications to existing mailboxes through Connect and provides dedicated email and calendar identities through Agent Accounts.

SEC.01

What it does

  • 01Connect for existing user mailboxes
  • 02Agent Accounts for new identities
  • 03Email reading, search, and sending
  • 04Calendar APIs
  • 05Attachments and webhooks
  • 06Custom domains for Agent Accounts
SEC.02

Who it's for

An assistant working in an employee’s existing mailbox, or an agent whose new email identity also needs a calendar.

PRICING

Pricing

Free tier; Essentials: $15/month, with separate Connect and Agent Accounts allowances (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

Connect and Agent Accounts share a plan with separate allowances for connected user accounts and agent-owned accounts. Choose the access model, then test revocation and send approvals. 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)

x402

Coinbase · agent-services

api · local/cloud · Open protocol (free); settlement on-chain

Agent Payments Protocol

Google · agent-services

api · local/cloud · Open protocol (free)

Skyfire

Skyfire · agent-services

api · cloud · Usage-based (verify)

Payman

Payman · agent-services

api · cloud · Usage-based (verify)

Nevermined

Nevermined · agent-services

api · cloud · Usage-based (verify)

AgentCard

AgentCard · agent-services

api/cli · cloud · Per-card funding; no subscription

Keycard

Keycard · agent-services

api · cloud · Usage-based (verify)

Arcade

Arcade · agent-services

api · cloud · Free tier; usage-based (verify)

Scalekit

Scalekit · agent-services

api · cloud · Free tier; usage-based (verify)

Composio

Composio · agent-services

api · local/cloud · Free tier; usage-based (verify)

E2B

E2B · agent-services

api · cloud · Hobby: usage-based; Pro $150/mo plus usage

Browserbase

Browserbase · agent-services

api · cloud · Free tier; usage-based (verify)

Exa

Exa · agent-services

api · cloud · Free tier; per-request pricing

Mem0

Mem0 · agent-services

api · local/cloud · Free OSS; cloud tiers (verify)

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)

Resend

Resend · agent-services

api · cloud · 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)

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)

Daytona

Daytona · agent-services

api/cli · cloud · Usage-based CPU, memory, and storage; introductory credits
FAQ

Frequently asked

What is Nylas?

Nylas connects applications to existing mailboxes through Connect and provides dedicated email and calendar identities through Agent Accounts.

Who is Nylas for?

An assistant working in an employee’s existing mailbox, or an agent whose new email identity also needs a calendar.

How much does Nylas cost?

Free tier; Essentials: $15/month, with separate Connect and Agent Accounts allowances (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 Nylas run locally or in the cloud?

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

What are alternatives to Nylas?

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, Resend, Postmark, Daytona. Different categories solve the same problem differently — see the Agent services category page for tradeoffs.

What should I know before adopting Nylas?

Connect and Agent Accounts share a plan with separate allowances for connected user accounts and agent-owned accounts. Choose the access model, then test revocation and send approvals. Documentation reviewed October 12, 2026; no hands-on delivery benchmark.