# NewsletterFIT (newsletterfit.com)

Indexes public newsletter posts to surface publications, track sponsors and monitor keywords for media buying.

- Atlas card: https://inite.ai/en/atlas/newsletterfit.com
- Site: https://newsletterfit.com
- For: brands and agencies choosing newsletters for sponsorship and media buys
- Categories: marketing
- Use not measured/100 · alive 100/100

## Used for

- find newsletters that match a campaign audience
- spot rising newsletters before sponsorship rates climb
- track sponsors and publishing activity in a category

## Price

- subscription, no free plan (read 2026-10-30 on https://newsletterfit.com/pricing)

## For developers

- API docs: https://newsletterfit.com/docs/api
- MCP server: com.newsletterfit/mcp (namespace; auth on 2026-10-30)
- Read 2026-10-30

## MCP server, measured daily

Server: https://newsletterfit.com/mcp, checked every day since 2026-10-30 (3 checks).

- Answered: measuring, 3 daily checks so far
- Median first answer: 475 ms
- Sign-in: OAuth (the client signs the user in)
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-30

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Source: INITE Atlas, https://inite.ai/en/atlas/newsletterfit.com. JSON: https://inite.ai/api/atlas/newsletterfit.com. MCP: https://inite.ai/api/mcp (atlas_lookup).