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Couryo

Sends transactional email through an API or SMTP, sets up SPF, DKIM and DMARC, and explains destination server replies.
Couryo: data, price, alternatives
  • Is it safe? What Couryo says it does with your chats and data, from its own policy pages.See ↓
  • Is it free? Only a regional price was found (R$99); the US price is being re-read.couryo.com ↗
  • What else does this? We have not measured alternatives for this one yet. If you know one, add it below.See ↓
At a glancechecked Oct 24, 2026

not read yet

Use

For
Brazilian developers and teams sending 10k to 300k transactional emails monthly, such as password resets and payment codes
How it runs
API
Used for
  • send transactional email through an API or SMTP
  • explain rejected emails from receiving servers in Portuguese
  • configure SPF, DKIM and DMARC records for a sending domain
read off couryo.com on Oct 31, 2026
Worth knowingcomputed from what we read · each with its source
Pricingpricing page, read Oct 31, 2026

Price not read

Your datawhat they publish, each line with its page · read Oct 29, 2026
  • Data processing agreementpublishedDPA ↗

These are Couryo's own statements, read from its pages. We did not audit them. A line that is missing was not found on the pages we read; it does not mean the practice is absent.

How a program reaches itfound, not claimed · read Oct 29, 2026
  • MCP servercom.couryo/toolsverified in the MCP registry
  • Stateanswers, 6 toolschecked 2026-10-29
  • Address to connectmcp.couryo.com/tools
  • MCP docscouryo.com/docs/mcpthe vendor's page ↗
  • Status pagelinked from the homepagestatus.couryo.com ↗

MCP server details →

This card as JSON, for your agent →

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.

Not it? Say what you need

beta

Three tools from the Atlas for the job you describe, each with what fits and what does not.

From people who use itnot part of the reading

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Questions this page answers
  • What is Couryo?

    Sends transactional email through an API or SMTP, sets up SPF, DKIM and DMARC, and explains destination server replies.

  • Who is Couryo for?

    Brazilian developers and teams sending 10k to 300k transactional emails monthly, such as password resets and payment codes

How we read a tool

No votes, no reviews, no vendor claims. Every week a crawler reads each tool's own site and a few public registries, and the words on the card are bands over what it read.

  • Use: visits to the site (estimated), installs from npm and PyPI, presence in Chrome's usage report.
  • Activity: the newest release on GitHub, npm or PyPI; the newest dated page on the site; open roles on a public jobs board.
  • Price: the vendor's own pricing page, read with the date. A figure is printed only when it is on that page.
  • The line and the use cases are written by us from the homepage, one tool at a time, and refused when they repeat the vendor's marketing.

How AI assistants read each site — the reading vendors ask us about — is on each tool's own visibility page.

How we read every tool → · By INITE Atlas Desk