# Tomba Email Format

> Tomba Email Format is a paid API for AI agents from Tomba API at mpp.orthogonal.com, paid per call via MPP, $0.313/call, status unknown (last checked 2026-10-12).

Returns the email format patterns (e.g. first.last, firstlast) used by a given company domain.

## Facts

- Endpoint: GET https://mpp.orthogonal.com/tomba/v1/email-format?utm_source=zero.xyz
- Price: $0.313/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Provider: Tomba API
- Docs: https://api.tomba.io
- Website: https://api.tomba.io
- Tags: email, verification, finder, data
- Canonical page: https://www.zero.xyz/c/tomba-api-tomba-email-format-cce69d7d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_RHR65eCC_9oYuYqhhfOj2

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability tomba-api-tomba-email-format-cce69d7d
```

Example prompt: What email format pattern does the domain stripe.com use — like first.last or firstlast — so I can figure out how to reach someone there?

## When to prefer this

Use this endpoint when you need to determine the email address format convention for a specific company domain before constructing or guessing employee email addresses for sales outreach, recruiting, or contact research. Prefer this over generic email guessing when you want data-backed format patterns rather than assumptions.

## Known failure modes

- Domain not found or no email data available — returns empty or null pattern
- Invalid domain format provided — returns 400 or validation error
- Domain exists but no email pattern data has been indexed — returns empty result
- Network timeout or API unavailability — returns 5xx error
- Rate limit exceeded — returns 429 error

## How this service works

Get the email format patterns used by a domain (e.g. first.last, firstlast).

## Output

Returns the email format pattern(s) used by the specified domain, such as 'first.last@domain.com' or 'firstlast@domain.com', along with pattern examples and prevalence data to help construct or guess employee email addresses.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/tomba-api-tomba-email-format-cce69d7d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from mpp.orthogonal.com](https://www.zero.xyz/host/mpp.orthogonal.com/llms.txt)