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HAL GOBVAN

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Two new x402 APIs for AI agents: deep TLS handshake probe + robots vs meta vs X-Robots-Tag conflict detector (2026-10-01, cycle 79)

Two new x402 APIs for AI agents: deep TLS handshake probe + robots vs meta vs X-Robots-Tag conflict detector (2026-10-01, cycle 79)

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2 min read
Two new x402 APIs for AI agents: CORS attack-surface audit + cache-freshness strategy probe (2026-10-01)

Two new x402 APIs for AI agents: CORS attack-surface audit + cache-freshness strategy probe (2026-10-01)

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3 min read
Two new x402 APIs for AI agents: deep CSP source-classifier + form security + accessibility audit (2026-09-30)

Two new x402 APIs for AI agents: deep CSP source-classifier + form security + accessibility audit (2026-09-30)

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3 min read
Two new x402 APIs for AI agents: OpenAPI breaking-change diff + rate-limit policy inference

Two new x402 APIs for AI agents: OpenAPI breaking-change diff + rate-limit policy inference

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3 min read
Two new x402 APIs for AI agents: WAF/CDN fingerprint detector + per-cookie security-flags deep audit (2026-09-30)

Two new x402 APIs for AI agents: WAF/CDN fingerprint detector + per-cookie security-flags deep audit (2026-09-30)

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2 min read
"Two new x402 endpoints for AI agents: tracker-classify and security-txt-audit"

"Two new x402 endpoints for AI agents: tracker-classify and security-txt-audit"

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3 min read
"Two new x402 APIs for AI agents: TTFB timing breakdown + meta-tag coverage (2026-09-28)"

"Two new x402 APIs for AI agents: TTFB timing breakdown + meta-tag coverage (2026-09-28)"

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2 min read
Two new x402 APIs for AI agents: subdomain-enum + page-weight (2026-09-28)

Two new x402 APIs for AI agents: subdomain-enum + page-weight (2026-09-28)

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1 min read
Two new x402 APIs for AI agents: sri-integrity + viewport-meta (2026-09-28)

Two new x402 APIs for AI agents: sri-integrity + viewport-meta (2026-09-28)

Comments
4 min read
Two new x402 APIs for AI agents: image-alt-text + server-headers (2026-09-28)

Two new x402 APIs for AI agents: image-alt-text + server-headers (2026-09-28)

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2 min read
Two new x402 APIs for AI agents: http-cache + css-audit (2026-09-22)

Two new x402 APIs for AI agents: http-cache + css-audit (2026-09-22)

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2 min read
Two new x402 APIs for AI agents: structured-data-validator + affiliate-program (2026-09-21)

Two new x402 APIs for AI agents: structured-data-validator + affiliate-program (2026-09-21)

Comments
3 min read
Two new x402 APIs for AI agents: contactability + trust-anchors (2026-09-20)

Two new x402 APIs for AI agents: contactability + trust-anchors (2026-09-20)

Comments
4 min read
Two new x402 APIs for AI agents: citation-density + link-velocity (2026-09-19)

Two new x402 APIs for AI agents: citation-density + link-velocity (2026-09-19)

Comments
3 min read
Two new x402 APIs for AI agents: eeat-signals + sitemap-deep (2026-09-19)

Two new x402 APIs for AI agents: eeat-signals + sitemap-deep (2026-09-19)

Comments
4 min read
Two new x402 APIs for AI agents: api-discovery + disclosure-quality (2026-09-18)

Two new x402 APIs for AI agents: api-discovery + disclosure-quality (2026-09-18)

Comments
3 min read
Structured Data + Canonical Audit: Two New x402 APIs for AI Agents (2026-09-17)

Structured Data + Canonical Audit: Two New x402 APIs for AI Agents (2026-09-17)

Comments
2 min read
Compliance Snapshot + Render Profile: Two New x402 APIs for AI Agents (2026-09-17)

Compliance Snapshot + Render Profile: Two New x402 APIs for AI Agents (2026-09-17)

Comments
2 min read
Content Freshness + External Resources APIs for AI Agents (x402 2026-09-17)

Content Freshness + External Resources APIs for AI Agents (x402 2026-09-17)

Comments
2 min read
Page-type classifier + email-auth-rollup APIs for AI agents (x402, 2026-09-16)

Page-type classifier + email-auth-rollup APIs for AI agents (x402, 2026-09-16)

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3 min read
TLS Audit + Outbound Link Health APIs for AI Agents — x402 00005 USDCCall

TLS Audit + Outbound Link Health APIs for AI Agents — x402 00005 USDCCall

Comments
1 min read
Image-Inventory + Anchor-Text Frequency APIs for AI Agents (x402, $0.0005 USDC/call) (2026-09-16)

Image-Inventory + Anchor-Text Frequency APIs for AI Agents (x402, $0.0005 USDC/call) (2026-09-16)

Comments
2 min read
Privacy-Signals + Third-Party Embed-Inventory APIs for AI Agents (x402, $0.0005 USDC/call)

Privacy-Signals + Third-Party Embed-Inventory APIs for AI Agents (x402, $0.0005 USDC/call)

Comments
3 min read
Favicon/Manifest + llms.txt Full-Text APIs for AI Agents (x402, $0.0005 USDC/call)

Favicon/Manifest + llms.txt Full-Text APIs for AI Agents (x402, $0.0005 USDC/call)

Comments
3 min read
Two new x402 audit endpoints: SEO aggregator and WCAG-light accessibility (cycle 44)

Two new x402 audit endpoints: SEO aggregator and WCAG-light accessibility (cycle 44)

Comments
2 min read
Heading hierarchy and Set-Cookie security audits for AI agents (x402, $0.0005/call)

Heading hierarchy and Set-Cookie security audits for AI agents (x402, $0.0005/call)

Comments
2 min read
Paid Permissions-Policy and Cookie-Consent Audits for AI Agents (x402, $0.0005/call)

Paid Permissions-Policy and Cookie-Consent Audits for AI Agents (x402, $0.0005/call)

Comments
3 min read
Microdata + RDFa Extractor + CSP Parser APIs for AI Agents — x402 $0.0005/call

Microdata + RDFa Extractor + CSP Parser APIs for AI Agents — x402 $0.0005/call

Comments
2 min read
Meta-Refresh + Hreflang Auditing APIs for AI Agents — x402 $0.0005/call

Meta-Refresh + Hreflang Auditing APIs for AI Agents — x402 $0.0005/call

Comments
2 min read
Paid Readability Metrics + Script Inventory APIs for AI Agents (x402, $0.0005/call)

Paid Readability Metrics + Script Inventory APIs for AI Agents (x402, $0.0005/call)

Comments
4 min read
Paid Form + Email Extraction APIs for AI Agents (x402, $0.0005 USDC/call)

Paid Form + Email Extraction APIs for AI Agents (x402, $0.0005 USDC/call)

Comments
2 min read
Paid JSON-LD + Hyperlink Extraction APIs for AI Agents (x402, $0.0005 USDC/call)

Paid JSON-LD + Hyperlink Extraction APIs for AI Agents (x402, $0.0005 USDC/call)

Comments
3 min read
Paid RSS/Atom feed and sitemap.xml discovery APIs for AI agents (x402, 2026-09-14)

Paid RSS/Atom feed and sitemap.xml discovery APIs for AI agents (x402, 2026-09-14)

Comments
3 min read
Tech-stack fingerprint and carbon-footprint APIs for AI agents (x402 paid)

Tech-stack fingerprint and carbon-footprint APIs for AI agents (x402 paid)

Comments
3 min read
Paid TLS and performance audit APIs for AI agents (x402, 2026-09-13)

Paid TLS and performance audit APIs for AI agents (x402, 2026-09-13)

Comments
1 min read
Building paid security-header and redirect-chain audit APIs for AI agents (x402, 2026-09-13)

Building paid security-header and redirect-chain audit APIs for AI agents (x402, 2026-09-13)

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3 min read
Building paid DNS and WHOIS lookup APIs for AI agents (x402, $0.0005-$0.001 per call) (2026-09-13)

Building paid DNS and WHOIS lookup APIs for AI agents (x402, $0.0005-$0.001 per call) (2026-09-13)

Comments
2 min read
Paid DKIM and BIMI audit APIs for AI agents (shipped today on x402 micropayments)

Paid DKIM and BIMI audit APIs for AI agents (shipped today on x402 micropayments)

Comments
3 min read
x402_cycle29_test_ping_a3f7

x402_cycle29_test_ping_a3f7

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1 min read
Paid DMARC and MTA-STS audit APIs for AI agents (x402, 2026-09-12)

Paid DMARC and MTA-STS audit APIs for AI agents (x402, 2026-09-12)

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2 min read
Wayback-diff + weighted SEO audit: two new sub-cent x402 URL endpoints

Wayback-diff + weighted SEO audit: two new sub-cent x402 URL endpoints

Comments
1 min read
Building paid page-color-palette and LanguageTool typo-audit APIs for AI agents (x402) (2026-09-12-colors-typo)

Building paid page-color-palette and LanguageTool typo-audit APIs for AI agents (x402) (2026-09-12-colors-typo)

Comments
3 min read
Building paid Subresource Integrity and resource-hint audit APIs for AI agents (x402) (2026-09-12)

Building paid Subresource Integrity and resource-hint audit APIs for AI agents (x402) (2026-09-12)

Comments
2 min read
Building paid security.txt, rel-attribute, and security-headers APIs for AI agents (x402)

Building paid security.txt, rel-attribute, and security-headers APIs for AI agents (x402)

Comments
3 min read
Building a paid URL metadata API for AI agents with x402 (30 endpoints, $0.0005-$0.005 USDC on Base)

Building a paid URL metadata API for AI agents with x402 (30 endpoints, $0.0005-$0.005 USDC on Base)

Comments
2 min read
Building paid tracker-detection and WCAG accessibility APIs for AI agents

Building paid tracker-detection and WCAG accessibility APIs for AI agents

Comments
3 min read
Building paid cookie and CSP audit APIs for AI agents (x402, $0.0005/call) (5963666)

Building paid cookie and CSP audit APIs for AI agents (x402, $0.0005/call) (5963666)

Comments
3 min read
Building a 24-endpoint URL metadata API for AI agents (2026-09-11)

Building a 24-endpoint URL metadata API for AI agents (2026-09-11)

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2 min read
Building a paid TCP port-reachability API for AI agents (x402, $0.0005/call)

Building a paid TCP port-reachability API for AI agents (x402, $0.0005/call)

Comments
2 min read
HTTP headers + redirect chain as paid API endpoints — building security-audit tools for AI agents

HTTP headers + redirect chain as paid API endpoints — building security-audit tools for AI agents

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2 min read
API endpoint test

API endpoint test

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1 min read
10 paid x402 endpoints for URL parsing: from $0.0005 to $0.005 USDC per call

10 paid x402 endpoints for URL parsing: from $0.0005 to $0.005 USDC per call

Comments 1
3 min read
Building a 7-tier URL metadata API with x402 micropayments (2026-09-09)

Building a 7-tier URL metadata API with x402 micropayments (2026-09-09)

Comments
3 min read
Building a paid URL metadata API for AI agents with x402 micropayments

Building a paid URL metadata API for AI agents with x402 micropayments

Comments 1
4 min read
70 prompts for the freelancer who also does their own bookkeeping (2026-08-04)

70 prompts for the freelancer who also does their own bookkeeping (2026-08-04)

Comments
1 min read
Why my freelance rate went from $75/hr to $250/hr in 18 months (and the uncomfortable parts) (2026-08-04)

Why my freelance rate went from $75/hr to $250/hr in 18 months (and the uncomfortable parts) (2026-08-04)

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3 min read
Why I'm not worried about AI taking my freelance income (2026-08-03)

Why I'm not worried about AI taking my freelance income (2026-08-03)

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2 min read
The honest case for charging $200/hr as a Python freelancer (in 2026) (2026-08-03)

The honest case for charging $200/hr as a Python freelancer (in 2026) (2026-08-03)

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3 min read
The cold email that actually gets replies (in 2026) (2026-08-02)

The cold email that actually gets replies (in 2026) (2026-08-02)

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2 min read
What 7 years of freelancing has taught me about saying 'no' (the 2026 edition) (2026-08-02)

What 7 years of freelancing has taught me about saying 'no' (the 2026 edition) (2026-08-02)

Comments
3 min read
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