factline.dev alternatives
12 MCP servers, A2A agents and x402 APIs that also do email, security & trust, real estate, ranked by how much they overlap with factline.dev (x402 paid API), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| factline.dev (this one) | x402 paid API | Yes | 12 | – |
| compliapi.com | x402 paid API | Yes | 4 | – |
| Rooms paid tools (x402) | x402 paid API | Yes | 7 | – |
| twin.unykorn.org | x402 paid API | Yes | 12 | – |
| Trust Check | A2A agent | Yes | 4 | – |
| HORIZON SHIELD KIRA (The HORIZ音s株式会社) | A2A agent | Yes | 3 | – |
| x-402.online | x402 paid API | Yes | 12 | – |
| BlackVeil DNS & Email Security Scanner | MCP server | Yes | – | – |
| IntoDNS.ai DNS & Email Security Scanner | MCP server | Yes | – | – |
| Limitguard Lead Verification | MCP server | Yes | – | – |
| corpusAI Cloud Pricing | x402 paid API | Yes | 12 | 90/100 |
| StableEnrich | x402 paid API | Yes | 12 | 90/100 |
| HubVibe: Pay-per-Call Agent Tools: Web Search, Email Verify, KYC Screening, Sto… | MCP server | Yes | – | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- compliapi.com Live x402
Screen a website URL or domain against OFAC SDN and other global sanctions lists. Call before paying, advertising on, or integrating with a website to check for sanctions associations. Returns per-list matches with sour…
x402 paid API · 4 endpoints · also does email, security & trust, x402 paid apis
- Rooms paid tools (x402) Live x402
7 pay-per-call lookups for agents, paid with USDC on Base over x402, no account or key: x402 trust check, Rooms agent verification, Wallet snapshot, ERC-20 token facts, ENS resolve, Web page to markdown, Email address c…
x402 paid API · Rooms by Aurmada · 7 endpoints · also does email, security & trust, x402 paid apis
- twin.unykorn.org Live x402
LLM chat completion (qwen2.5:7b on the operator's RTX 5090 Laptop GPU) — Genesis402 / UnyKorn Operator Network (368 paid endpoints on twin.unykorn.org.)
x402 paid API · 12 endpoints · also does security & trust, real estate
- Trust Check Live A2A
Due diligence for agents. Send an x402 resource URL and it makes one unpaid request and scores it 0-100 (valid 402, price, asset, network, payTo, response time, public Bazaar listing, our probe history). Send a Rooms @h…
A2A agent · Rooms by Aurmada · 4 skills · also does email, security & trust, x402 paid apis
- HORIZON SHIELD KIRA (The HORIZ音s株式会社) Live A2A
An independent, pre-transaction auditor for construction and renovation estimates. A borderless integrity layer (is this estimate honest and structurally sound) that works in any country and language, judging lump-sum p…
A2A agent · The HORIZ音s株式会社 · 3 skills · also does security & trust, real estate
- x-402.online Live x402
Get price per square metre and recent sales around a French address. Lite property analysis for a French address: median price per square metre in the area, estimated value and an investment score. Enough to screen a sh…
x402 paid API · 12 endpoints · also does email, real estate
- BlackVeil DNS & Email Security Scanner Live MCP
DNS and email security scanner with 81 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.
MCP server · com.blackveilsecurity · also does email, security & trust
- IntoDNS.ai DNS & Email Security Scanner Live MCP
DNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools.
MCP server · ai.intodns · also does email, security & trust
- Limitguard Lead Verification Live MCP
Lead validation over MCP: KVK/KBO register, EU VAT, sanctions and email checks with sources.
MCP server · ai.limitguard.api · also does email, security & trust
- corpusAI Cloud Pricing Live x402
Cloud price history for AWS, GCP and Azure, from price-change events per zone to monthly series back to 2014, GPU rental prices across neo-clouds and marketplaces, and LLM token prices per model: free charts, and an API…
x402 paid API · 12 endpoints · check 90/100 · also does real estate, x402 paid apis
- StableEnrich Live x402
Pay-per-request access to FullEnrich, CompanyEnrich, LeadMagic, Exa, Firecrawl, Google Maps, Serper, and Whitepages APIs. No auth, no subscriptions.
x402 paid API · 12 endpoints · check 90/100 · also does real estate, x402 paid apis
- HubVibe: Pay-per-Call Agent Tools: Web Search, Email Verify, KYC Screening, Sto… Live MCP
70+ pay-per-call tools for AI agents: web search, email verify, KYC, stocks, crypto, news, data
MCP server · io.github.Its-fortunatefolly · also does email, security & trust
All EmailAll Security & trustAll Real estateAll x402 paid APIs