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Arnakoff

Planned API that checks domains, emails, phone numbers, IBANs or SIRENs against regulator blacklists and public registries, returning sourced signals.

Actively maintained

Arnakoff: data, price, alternatives
At a glancechecked Nov 4, 2026

not read yet

Use

For
people checking whether a website, email, phone number, IBAN or SIREN is tied to a scam
Activity
Actively maintainedrelease yesterday
How it runs
API
Used for
  • check a domain against AMF and ACPR blacklists
  • look up a company by SIREN in the public register
  • see a domain's age and registration details
Worth knowingcomputed from what we read · each with its source
  • Has an MCP server (1 in the registry)public registry →
How a program reaches itfound, not claimed · read Nov 4, 2026
  • MCP servercom.arnakoff/apiverified in the MCP registry
  • Stateanswers, requires sign-inchecked 2026-11-04
  • Address to connectapi.arnakoff.com/mcp

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.

Alternatives in Developer toolsby use, among tools still maintained

Figure and bar: visits/mo, estimate · year: online since

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From people who use itnot part of the reading

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Questions this page answers
  • What is Arnakoff?

    Planned API that checks domains, emails, phone numbers, IBANs or SIRENs against regulator blacklists and public registries, returning sourced signals. It is listed in the Atlas under Developer tools.

  • Who is Arnakoff for?

    people checking whether a website, email, phone number, IBAN or SIREN is tied to a scam

  • Is Arnakoff still maintained?

    Actively maintained: release yesterday.

  • What are alternatives to Arnakoff?

    In Developer tools, by use: APITier, DomScan, LayerCall, APIVerve, Verifox AI.

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