simpleverifier.com
SimpleVerifier
Bulk email verification with a live SMTP mailbox check. Valid, risky or invalid with a reason on every row. Plans from $9/mo; first 100 checks free, no card. simpleverifier.com
Loading product details…
simpleverifier.com
Bulk email verification with a live SMTP mailbox check. Valid, risky or invalid with a reason on every row. Plans from $9/mo; first 100 checks free, no card. simpleverifier.com
Submitted URLs are declarations until checked. Verification inspects published content and does not execute third-party tools.
4 unsupported, malformed or unresolved links
The score measures observable documentation quality. Each component below lists its earned points, exact checks, and source observations. It is not a prediction of AI rankings or citations.
Overall readiness
Confidence: high· V2
How this score is calculated
round(83.25 ÷ 100 × 100) = 83/100
83.25 points earned out of 100 assessed. All 100 available points were assessed. The checks below show each result. Optional integrations and file size earn no extra points.
Full scoring rules and worked exampleCurrent usable primary file: 25/25.
llms.txt: Documentation sections: SimpleVerifier; SimpleVerifier at a glance; Quick answers to what people ask assistants; What is the cheapest bulk email verification?; What is the best email verifier for cold email?; Is there an unlimited email verification plan?. Derived from headings; source checked 2026-11-10.
Listing updated: . Machine-readable profile (JSON)
{
"schemaVersion": "1.0",
"name": "SimpleVerifier",
"slug": "simpleverifier",
"website": "https://simpleverifier.com",
"category": "saas",
"description": "Bulk email verification with a live SMTP mailbox check. Valid, risky or invalid with a reason on every row. Plans from $9/mo; first 100 checks free, no card. simpleverifier.com",
"capabilities": [
"llmsTxt documentation"
],
"aiResources": {
"llmsTxt": {
"type": "llmsTxt",
"url": "https://simpleverifier.com/llms.txt",
"status": "verified",
"available": true,
"httpStatus": 200,
"checkedAt": "2026-11-10T11:10:20.261Z",
"lastSuccessfulAt": "2026-11-10T11:10:20.261Z",
"contentType": "text/plain; charset=utf-8",
"contentSize": 946529,
"estimatedTokens": 236029,
"tokenMethod": "UTF-16 characters / 4 (approximation)",
"contentHash": "bd2ae6f003c8af47f9b84f07b09ec5c860e63bfebf46988bfac64141ecd104c8",
"internalLinks": 1,
"externalLinks": 0,
"document": {
"h1Count": 1,
"firstBlockIsH1": true,
"title": "SimpleVerifier",
"usefulTitle": true,
"headingCount": 122,
"uniqueHeadingCount": 116,
"hasSections": true,
"orderedHeadings": true,
"sectionWithContent": true,
"fileListLinks": 1,
"summaryPresent": true,
"contextPresent": true,
"validLinks": 1,
"invalidLinks": 4,
"duplicateLinks": 0,
"descriptiveLinks": 1,
"annotatedLinks": 0
},
"linkHealth": {
"eligibleCount": 1,
"selectedCount": 1,
"sampledCount": 1,
"working": 0,
"broken": 1,
"unknown": 0,
"checkedAt": "2026-11-10T11:10:23.075Z",
"sourceHash": "bd2ae6f003c8af47f9b84f07b09ec5c860e63bfebf46988bfac64141ecd104c8",
"method": "deterministic sample, at most 5 URLs, at most 2 concurrent hosts, 15s budget",
"results": [
{
"url": "https://simpleverifier.com/url",
"httpStatus": 404,
"checkedAt": "2026-11-10T11:10:23.075Z",
"attempted": true,
"status": "broken",
"reason": "not_found"
}
]
},
"headings": [
"SimpleVerifier",
"SimpleVerifier at a glance",
"Quick answers to what people ask assistants",
"What is the cheapest bulk email verification?",
"What is the best email verifier for cold email?",
"Is there an unlimited email verification plan?",
"Can I verify emails inside Claude, Cursor or ChatGPT (MCP)?",
"Is there a free email verifier?",
"Is SimpleVerifier GDPR compliant, and what happens to my list?",
"Current prices versus older figures still quoted elsewhere",
"When SimpleVerifier is not the right pick",
"For buyers: plans, prices and cost per 1,000 (updated 2026-11-01)"
],
"warnings": [
"4 unsupported, malformed or unresolved links"
],
"summary": "Documentation sections: SimpleVerifier; SimpleVerifier at a glance; Quick answers to what people ask assistants; What is the cheapest bulk email verification?; What is the best email verifier for cold email?; Is there an unlimited email verification plan?.",
"summarySourceHash": "bd2ae6f003c8af47f9b84f07b09ec5c860e63bfebf46988bfac64141ecd104c8",
"processingVersion": "2.0",
"method": "markdown-ast-analysis"
},
"llmsFullTxt": {
"type": "llmsFullTxt",
"url": "https://simpleverifier.com/llms-full.txt",
"status": "unavailable",
"available": false,
"httpStatus": null,
"checkedAt": "2026-11-10T11:10:22.084Z",
"lastSuccessfulAt": null,
"warnings": [
"Latest retrieval did not establish resource availability. Previous successful evidence, if any, is retained with reduced confidence."
],
"processingVersion": "2.0",
"method": "static-content-analysis",
"failureHelp": {
"code": "oversized",
"reason": "The response exceeded the 1 MiB verification limit.",
"fix": "Publish a concise llms.txt index with links to separate documentation pages. Reduce this resource below 1 MiB before requesting a recheck."
}
},
"webmcp": null
},
"readiness": {
"score": 83,
"version": "2.0",
"confidence": "high",
"components": [
{
"name": "availability",
"weight": 25,
"assessedWeight": 25,
"points": 25,
"rules": [
{
"id": "current_access",
"label": "Current usable primary file",
"weight": 25,
"observation": "Current llms.txt retrieval succeeded (HTTP 200); usable text verified.",
"points": 25
}
],
"explanation": "Current usable primary file: 25/25."
},
{
"name": "structure",
"weight": 25,
"assessedWeight": 25,
"points": 24.75,
"rules": [
{
"id": "title",
"label": "One project H1 at the beginning",
"weight": 10,
"observation": "1 H1 heading(s); starts with H1: yes.",
"points": 10
},
{
"id": "sections",
"label": "Coherent content sections",
"weight": 5,
"observation": "H2 with content: yes; no heading-level jumps: yes.",
"points": 5
},
{
"id": "file_lists",
"label": "Documentation links organized in lists",
"weight": 5,
"observation": "1 valid link occurrence(s) inside Markdown lists.",
"points": 5
},
{
"id": "heading_uniqueness",
"label": "Non-repeated headings",
"weight": 5,
"observation": "116 unique heading(s) out of 122; code examples are excluded.",
"points": 4.75
}
],
"explanation": "One project H1 at the beginning: 10/10. Coherent content sections: 5/5. Documentation links organized in lists: 5/5. Non-repeated headings: 4.75/5."
},
{
"name": "links",
"weight": 25,
"assessedWeight": 25,
"points": 8.5,
"rules": [
{
"id": "link_syntax",
"label": "Resolvable HTTP(S) link syntax",
"weight": 5,
"observation": "1 valid URL occurrence(s), 4 malformed, unsupported or unresolved.",
"points": 1
},
{
"id": "link_uniqueness",
"label": "Unique documentation destinations",
"weight": 5,
"observation": "1 unique destination(s) from 1 valid occurrence(s).",
"points": 5
},
{
"id": "link_labels",
"label": "Descriptive link labels",
"weight": 2.5,
"observation": "1 of 1 unique links have non-placeholder labels. This is a text heuristic, not a semantic guarantee.",
"points": 2.5
},
{
"id": "link_notes",
"label": "Context beside file links",
"weight": 2.5,
"observation": "0 of 1 unique links have notes beside a Markdown list link.",
"points": 0
},
{
"id": "link_health",
"label": "Sampled destination accessibility",
"weight": 10,
"observation": "1 of 1 destinations sampled: 0 working, 1 confirmed 404/410, 0 unknown. Only working and confirmed-broken results enter this fraction.",
"points": 0
}
],
"explanation": "Resolvable HTTP(S) link syntax: 1/5. Unique documentation destinations: 5/5. Descriptive link labels: 2.5/2.5. Context beside file links: 0/2.5. Sampled destination accessibility: 0/10."
},
{
"name": "confidence",
"weight": 15,
"assessedWeight": 15,
"points": 15,
"rules": [
{
"id": "verification_age",
"label": "Age of last successful verification",
"weight": 10,
"observation": "Last success: 2026-11-10T11:10:20.261Z. Full points through day 8 (7-day schedule plus 1-day grace), 60% through day 30, 20% thereafter or for an unknown date.",
"points": 10
},
{
"id": "latest_success",
"label": "Latest primary check succeeded",
"weight": 5,
"observation": "Latest primary verification succeeded.",
"points": 5
}
],
"explanation": "Age of last successful verification: 10/10. Latest primary check succeeded: 5/5."
},
{
"name": "metadata",
"weight": 10,
"assessedWeight": 10,
"points": 10,
"rules": [
{
"id": "summary",
"label": "Useful summary blockquote",
"weight": 5,
"observation": "A blockquote before the first H2 with at least 20 non-whitespace characters and no placeholder-only text.",
"points": 5
},
{
"id": "context",
"label": "Useful introductory context",
"weight": 5,
"observation": "An introductory paragraph before the first H2 with at least 20 non-whitespace characters and no placeholder-only text. Listing form fields do not earn these points.",
"points": 5
}
],
"explanation": "Useful summary blockquote: 5/5. Useful introductory context: 5/5."
}
],
"earnedPoints": 83.25,
"assessedWeight": 100,
"availableWeight": 100,
"provisional": false,
"calculatedAt": "2026-11-10T11:10:24.238Z",
"lastVerifiedAt": "2026-11-10T11:10:20.261Z",
"evidence": {
"sourceUrl": "https://simpleverifier.com/llms.txt",
"contentHash": "bd2ae6f003c8af47f9b84f07b09ec5c860e63bfebf46988bfac64141ecd104c8",
"processingVersion": "2.0",
"retrievedAt": "2026-11-10T11:10:20.261Z"
},
"linkSampling": {
"eligibleCount": 1,
"selectedCount": 1,
"sampledCount": 1,
"working": 0,
"broken": 1,
"unknown": 0,
"checkedAt": "2026-11-10T11:10:23.075Z",
"sourceHash": "bd2ae6f003c8af47f9b84f07b09ec5c860e63bfebf46988bfac64141ecd104c8",
"method": "deterministic sample, at most 5 URLs, at most 2 concurrent hosts, 15s budget",
"results": [
{
"url": "https://simpleverifier.com/url",
"httpStatus": 404,
"checkedAt": "2026-11-10T11:10:23.075Z",
"attempted": true,
"status": "broken",
"reason": "not_found"
}
]
},
"warnings": [
"This measures observable documentation, not model rankings or citation probability.",
"H1 is the only required section in the llms.txt proposal. Other checks are LLMSList quality preferences; missing optional sections do not make usable text invalid."
]
},
"updatedAt": "2026-11-10T11:10:24.239Z"
}Related listings based on category, resource types, and description keywords
verimails.com
Find and verify any email address — live SMTP, catch-all detection, credits never expire. Freemium: 100 free credits with no credit card, credits from $19 per 10,000.
Latest retrieval did not establish resource availability. Previous successful evidence, if any, is retained with reduced confidence.
Current llms.txt retrieval succeeded (HTTP 200); usable text verified.
One project H1 at the beginning: 10/10. Coherent content sections: 5/5. Documentation links organized in lists: 5/5. Non-repeated headings: 4.75/5.
1 H1 heading(s); starts with H1: yes.
H2 with content: yes; no heading-level jumps: yes.
1 valid link occurrence(s) inside Markdown lists.
116 unique heading(s) out of 122; code examples are excluded.
Resolvable HTTP(S) link syntax: 1/5. Unique documentation destinations: 5/5. Descriptive link labels: 2.5/2.5. Context beside file links: 0/2.5. Sampled destination accessibility: 0/10.
1 valid URL occurrence(s), 4 malformed, unsupported or unresolved.
1 unique destination(s) from 1 valid occurrence(s).
1 of 1 unique links have non-placeholder labels. This is a text heuristic, not a semantic guarantee.
0 of 1 unique links have notes beside a Markdown list link.
1 of 1 destinations sampled: 0 working, 1 confirmed 404/410, 0 unknown. Only working and confirmed-broken results enter this fraction.
How to improve: Use unique HTTP(S) documentation links with descriptive labels and short notes beside list links. Fix confirmed HTTP 404/410 destinations in the sample below. Access-denied, rate-limited or timed-out checks are unknown, not confirmed broken. Request a recheck after changes; more links alone earn no extra points.
Age of last successful verification: 10/10. Latest primary check succeeded: 5/5.
Last success: 2026-11-10T11:10:20.261Z. Full points through day 8 (7-day schedule plus 1-day grace), 60% through day 30, 20% thereafter or for an unknown date.
Latest primary verification succeeded.
Useful summary blockquote: 5/5. Useful introductory context: 5/5.
A blockquote before the first H2 with at least 20 non-whitespace characters and no placeholder-only text.
An introductory paragraph before the first H2 with at least 20 non-whitespace characters and no placeholder-only text. Listing form fields do not earn these points.
80–100%50–79%0–49%Gray: not assessed
Component colors use earned points ÷ assessed points. Unmeasured checks are excluded from the assessed maximum. Model v2.0. Calculated 2026-11-10 11:10:24 UTC.
1 of 1 unique destinations checked: 0 working, 1 confirmed broken, 0 unknown. We check up to five destinations, not every page. A successful HTTP response does not prove that a page is relevant or factually correct.
Sample checked: 2026-11-10 11:10:23 UTC · Source snapshot: bd2ae6f003c8
Confirmed missing destination
Only HTTP 404/410 is classified as confirmed broken. HTTP 403/429, timeouts and incomplete checks remain unknown. If all sample outcomes are unknown, the link-health check is excluded from the assessed maximum and the score is marked provisional.
Last verified: 2026-11-10.
This measures observable documentation, not model rankings or citation probability.
H1 is the only required section in the llms.txt proposal. Other checks are LLMSList quality preferences; missing optional sections do not make usable text invalid.
AI Resource Readiness
Confidence: high· V2
citedby.eu
CitedBy checks a website the way ChatGPT, Perplexity, Claude, Gemini and Google read it: AI crawler access, llms.txt, structured data, and whether your pages answer the questions buyers ask. Every finding links to the page and the fix, and the method is public. The free check covers up to 10 pages with no account; a single audit is €9 once; plans start at €19 a month.
AI Resource Readiness
Confidence: high· V2
geardex.app
GearDex is a camera gear inventory and business app for photographers and small video studios. You log bodies and lenses with serial numbers and insurance values. Paid plans add loans with QR check-out plus client galleries. The llms.txt covers plans and features for the web app and the Mac and Windows desktop apps.
AI Resource Readiness
Confidence: medium· V2 · provisional
useclientproof.com
Multi-client Wall of Love for agencies: collect, approve, and embed testimonials for every client brand from one dashboard. Free plan: unlimited client workspaces, 10 approved testimonials per client, embeds carry a ClientProof badge; $29/mo removes the badge and lifts the cap. Not clientproof.app.
AI Resource Readiness
Confidence: high· V2
codetrendy.com
CodeTrendy is a curated directory of newly launched startups, SaaS tools and indie products. Every listing is screened and organized by category.
AI Resource Readiness
Confidence: medium· V2 · provisional
gearpicked.com
GearPicked offers manual directory submissions for AI and SaaS products ($99 for 100 directories or $149 for 200), a public checked directory list, a free shortlist builder, and comparison guides. The llms.txt and llms-full.txt files describe the service pages and guides.
AI Resource Readiness
Confidence: medium· V2