zoominfo.com
Journey
76.5/ 100
B · Ready with gaps
Waymark scored zoominfo.com 76.5/100 (B) on 26 Aug 2026.
zoominfo.com is usable with gaps. Usability is the strongest layer, and Access is the open one. Next: openAPI document.
FindMixed
14.8/20
9 of 16 checks passed
DoorMixed
18.4/30
18 of 34 checks passed
ToolsStrong
35.7/40
15 of 18 checks passed
Pay
N/A
No cart or pay rail — out of the denominator.
Group by
1. Can an agent discover and trust you? 64/100
Whether an agent can find this origin from public files and treat it as the real one.
pass
HTTPS reachable
2/2
Evidence. Homepage responded 200 over HTTPS.
Probed homepage.
pass
robots.txt present
2/2
Evidence. Valid robots.txt with User-agent rules.
Probed robots.txt.
partial
XML sitemap
1/2
Evidence. Sitemap referenced in robots.txt only.
Probed robots.txt + sitemap.
Recommended fix. Add /sitemap.xml and reference it from robots.txt.
scanner error
Well-known AI catalog
0/1
Evidence. No ai-plugin.json or ai-catalog.json.
Scanner error — not counted as a site fail and not in the score denominator.
failed
AGENTS.md
0/1
Evidence. agents.md status 403.
Probed public URLs named in the evidence.
Recommended fix. Publish /agents.md with agent-oriented usage notes.
pass
robots.txt AI policy
Required
2/2
Evidence. Named AI crawlers: ClaudeBot, Google-Extended, GPTBot, ChatGPT-User, PerplexityBot, Bytespider.
partial
Sitemap for agents
Recommended
1/2
Evidence. Sitemap only referenced.
Recommended fix. Publish /sitemap.xml.
failed
HTTP Link header
bonus
0/1
Evidence. No rel=sitemap|describedby|api-catalog|alternate on homepage.
Probed homepage + sitemap.
Recommended fix. Send RFC 8288 Link headers for related machine resources.
scanner error
ai-plugin.json
bonus
0/1
Evidence. No /.well-known/ai-plugin.json.
Probed well-known paths.
Scanner error — not counted as a site fail and not in the score denominator.
n/a
API catalog linkset
bonus
0/2
Evidence. No public API catalog (N/A).
scanner error
Wikipedia sitelink
bonus
0/4
Evidence. Wikidata SPARQL The operation was aborted
Scanner error — not counted as a site fail and not in the score denominator.
scanner error
Wikidata official website
bonus
0/3
Evidence. Wikidata SPARQL The operation was aborted
Scanner error — not counted as a site fail and not in the score denominator.
scanner error
Brand official-website match
Recommended
0/3
Evidence. Wikidata SPARQL The operation was aborted
Scanner error — not counted as a site fail and not in the score denominator.
pass
Public MCP registry listing
bonus
1/1
Evidence. Registry hit at https://glama.ai/mcp/servers?query=zoominfo.
Probed public URLs named in the evidence.
failed
Package homepage match
bonus
0/1
Evidence. No npm package homepage matching zoominfo.com.
Probed homepage.
Recommended fix. Publish an official package whose homepage is this domain.
n/a
Sitemap lastmod
bonus
0/1
Evidence. No sitemap.
n/a
related-website-set
bonus
0/1
Evidence. No related-website-set (N/A unless multi-origin).
n/a
ads.txt
bonus
0/1
Evidence. No ads inventory (N/A).
2. Do you welcome agents? 86/100
Whether crawlers and signed bots are allowed through rather than blocked at the door.
pass
AI crawlers not blanket-blocked
2/2
Evidence. No blanket Disallow: / for common AI bots.
pass
robots Crawl-delay
bonus
1/1
Evidence. Crawl-delay mentioned in robots.txt.
Probed robots.txt.
n/a
Web Bot Auth keys
Recommended
0/2
Evidence. No http-message-signatures-directory.
pass
CORS / API hint
1/1
Evidence. CORS header or API path hint found.
failed
CSP or X-Frame-Options
0/1
Evidence. Neither CSP nor X-Frame-Options on homepage.
Probed homepage.
Recommended fix. Send Content-Security-Policy or X-Frame-Options.
pass
robots.txt agent-user policy
Required
2/2
Evidence. No Disallow: / for ChatGPT-User, Claude-User, or Perplexity-User (silence passes).
3. Does an agent understand who you are and what you do? 76/100
Whether the site explains the product in language a model can ingest.
pass
Title and description
2/2
Evidence. Title and meta description present.
pass
JSON-LD structured data
4/4
Evidence. application/ld+json script found.
pass
html lang attribute
1/1
Evidence. html[lang] is set.
pass
JSON-LD entities
Recommended
4/4
Evidence. Recognized schema.org types in JSON-LD.
pass
JSON-LD sameAs
bonus
2/2
Evidence. sameAs present.
pass
Open Graph basics
bonus
2/2
Evidence. Open Graph plus canonical.
pass
llms.txt
2/2
Evidence. Found /llms.txt with content.
pass
llms.txt index
Recommended
2/2
Evidence. llms.txt has content.
pass
llms.txt size and links
Recommended
2/2
Evidence. llms.txt 5033 chars, 18 URL(s).
failed
llms-full.txt
bonus
0/1
Evidence. llms-full.txt status 403.
Probed public URLs named in the evidence.
Recommended fix. Optionally publish /llms-full.txt for one-shot ingest.
pass
Section llms.txt
bonus
1/1
Evidence. Fetched /docs/llms.txt.
Probed public URLs named in the evidence.
n/a
NLWeb schemamap
bonus
0/1
Evidence. No schemamap (N/A unless you offer NL search).
pass
Trust pages
Recommended
2/2
Evidence. Trust links found.
n/a
Speakable markup
bonus
0/1
Evidence. No SpeakableSpecification (N/A unless voice content).
n/a
humans.txt
bonus
0/1
Evidence. No /humans.txt (optional).
failed
security.txt
Recommended
0/1
Evidence. No /.well-known/security.txt Contact.
Probed well-known paths.
Recommended fix. Publish /.well-known/security.txt with a Contact field.
pass
RSS or Atom feed
1/1
Evidence. Feed link detected.
partial
RSS or Atom document
bonus
0.5/1
Evidence. No /feed or /rss.xml document.
Recommended fix. Publish /rss.xml or /atom.xml.
failed
Agent instruction / when-to-use
Required
0/3
Evidence. Agent file exists without when-to-use guidance.
Recommended fix. Tell agents when to reach for you: add a 'when to use this' section to your llms.txt (or a dedicated agent-instructions file) that names your best-fit use cases.
n/a
Organization schema completeness
Recommended
0/2
Evidence. No Organization JSON-LD to score completeness.
pass
Schema type breadth
Recommended
2/2
Evidence. JSON-LD types beyond Organization/WebSite: SoftwareApplication, Offer.
failed
Content without JavaScript
Required
0/3
Evidence. Raw HTML is thin for agents (H1=false, 35 chars).
Recommended fix. Server-side render your homepage so AI crawlers see meaningful content without JavaScript. Ensure an H1 and 500+ chars of text in raw HTML.
4. Can an agent integrate with you? 73/100
Whether there is a documented machine door into the product.
pass
OpenAPI / Swagger link
2/2
Evidence. Homepage links mention OpenAPI or Swagger.
Probed homepage + OpenAPI.
pass
Login or docs link
3/3
Evidence. Login or developer docs link found.
pass
MCP well-known card
2/2
Evidence. MCP server card found under .well-known.
Probed well-known paths.
pass
MCP SSE / HTTP hint
1/1
Evidence. Page mentions MCP or SSE transport.
n/a
openapi.json fetchable
0/0
Evidence. OpenAPI linked but not fetchable at common or discovered paths.
Probed OpenAPI.
pass
Webhook or API docs
2/2
Evidence. Webhook or API docs mention found.
scanner error
Agent skills index
0/2
Evidence. No agent-skills index (N/A unless you publish skills).
Scanner error — not counted as a site fail and not in the score denominator.
partial
OpenAPI document
Required
1/7
Evidence. OpenAPI probe.
Probed OpenAPI.
Recommended fix. Publish an OpenAPI document at a stable URL. Verify: curl -sI https://zoominfo.com/openapi.json
pass
Public API surface
Recommended
7/7
Evidence. Docs or API paths look callable.
partial
Developer portal
Recommended
1/6
Evidence. No developer portal.
Recommended fix. Offer a self-serve docs hub.
pass
MCP server
Recommended
6/6
Evidence. https://docs.zoominfo.com/mcp initialize 200
Probed public URLs named in the evidence.
pass
MCP server card
Recommended
2/2
Evidence. MCP card JSON found.
n/a
Agent Skills files
bonus
0/2
Evidence. No SKILL.md surface (N/A).
pass
CLI tool
Recommended
3/3
Evidence. CLI mention found.
n/a
GraphQL GET hint
bonus
0/2
Evidence. No GraphQL surface (N/A).
n/a
OpenAPI UI page
bonus
0/1
Evidence. No swagger-ui/redoc page.
n/a
OpenAPI (legacy slot)
0/0
Evidence. Linked but not fetched.
Probed public URLs named in the evidence.
5. Is your integration well-built? 94/100
Whether the integration surface is complete enough to call with confidence.
pass
MCP initialize
Required
3/3
Evidence. initialize HTTP 200 at https://docs.zoominfo.com/mcp
Probed public URLs named in the evidence.
pass
MCP server card
Recommended
2/2
Evidence. MCP card JSON found.
n/a
REST typed error model
Recommended
0/1
Evidence. No OpenAPI document to analyze.
Probed OpenAPI.
n/a
REST versioning / deprecation policy
Recommended
0/1
Evidence. No OpenAPI document to analyze.
Probed OpenAPI.
n/a
REST pagination pattern
Recommended
0/1
Evidence. No OpenAPI document to analyze.
Probed OpenAPI.
n/a
REST async-job pattern
Recommended
0/1
Evidence. No OpenAPI document to analyze.
Probed OpenAPI.
n/a
REST response schema coverage
Recommended
0/1
Evidence. No OpenAPI document to analyze.
Probed OpenAPI.
n/a
Function calling compatibility
Recommended
0/1
Evidence. No OpenAPI document to analyze.
Probed OpenAPI.
n/a
REST batch / bulk endpoint
bonus
0/1
Evidence. No OpenAPI document to analyze.
Probed OpenAPI.
pass
MCP tool listing
bonus
3/3
Evidence. tools/list HTTP 200 at https://docs.zoominfo.com/mcp, 7 tool(s).
Probed public URLs named in the evidence.
pass
MCP tool descriptions
bonus
3/3
Evidence. 7/7 tools have descriptions ≥20 chars.
pass
MCP parameter schemas
bonus
2/2
Evidence. 7/7 tools have inputSchema.
partial
MCP tool naming
bonus
1/2
Evidence. 2/7 tools use descriptive names.
Recommended fix. Use consistent snake_case or camelCase names that are descriptive (≥4 chars), not generic run/get/do.
pass
MCP tool annotations
bonus
2/2
Evidence. 7/7 tools have behavioral annotations.
n/a
MCP resources exposed
Recommended
0/3
Evidence. Initialize did not advertise resources (N/A).
6. Can an agent use you reliably in production? 73/100
Whether errors, idempotency, and limits are visible before a call fails.
pass
Rate limit signal
Recommended
2/2
Evidence. Rate-limit or retry signal found.
pass
Idempotency signal
Recommended
3/3
Evidence. Idempotency mention found.
partial
Machine-readable errors
Recommended
1/4
Evidence. API surface without a JSON error shape.
Recommended fix. Return a JSON or problem+json error body.
n/a
Honest 404
Recommended
0/2
Evidence. Unknown path HTTP 403.
n/a
Sandbox / test environment
bonus
0/2
Evidence. Docs do not mention sandbox/test keys (N/A).
n/a
Agent onboarding friction
Recommended
0/2
Evidence. No OpenAPI spec; onboarding stays N/A (no live signup probe).
Probed OpenAPI.
pass
MCP error handling
bonus
2/2
Evidence. Bad tools/call returned a structured JSON-RPC error.
7. Can an agent authenticate to you? 40/100
Whether an agent can obtain access without a human in the loop.
failed
OAuth / OIDC well-known
0/2
Evidence. No oauth-authorization-server or openid-configuration.
Recommended fix. Publish /.well-known/openid-configuration or oauth-authorization-server if you authenticate agents.
n/a
OAuth 2.0 surface
Required
0/5
Evidence. No delegated-access surface (N/A).
n/a
OAuth AS metadata
Required
0/3
Evidence. No AS metadata (N/A unless you run an AS).
n/a
PKCE S256
Required
0/2
Evidence. No OAuth metadata to evaluate PKCE.
n/a
OAuth protected resource
Recommended
0/2
Evidence. No OAuth resource metadata (N/A).
n/a
Scoped permissions
Recommended
0/5
Evidence. No named OAuth scopes.
n/a
Scoped permissions
Recommended
0/2
Evidence. No OpenAPI document to analyze.
Probed OpenAPI.
n/a
auth.md
bonus
0/2
Evidence. No /auth.md (optional).
n/a
auth.md structure
bonus
0/2
Evidence. No /auth.md to grade.
failed
change-password well-known
bonus
0/1
Evidence. Login surface without /.well-known/change-password.
Probed well-known paths.
Recommended fix. If users have passwords, serve /.well-known/change-password.
pass
MCP auth mechanism
bonus
2/2
Evidence. MCP initialize succeeded (public or session).
n/a
Agent auth WWW-Authenticate hint
bonus
0/1
Evidence. No documented API path to probe for WWW-Authenticate.
8. Can an agent transact with you? 33/100
Whether an agent can price, pay, or check out on a documented rail.
n/a
x402 payment
bonus
0/0
Evidence. No cart/SKU/checkout and no live payment rail (Pay N/A).
n/a
Agentic checkout (ACP)
bonus
0/0
Evidence. No cart/SKU/checkout and no live payment rail (Pay N/A).
n/a
ACP delegated payment
bonus
0/0
Evidence. No cart/SKU/checkout and no live payment rail (Pay N/A).
n/a
Universal Commerce Protocol
bonus
0/0
Evidence. No cart/SKU/checkout and no live payment rail (Pay N/A).
n/a
Machine Payments Protocol
bonus
0/0
Evidence. No cart/SKU/checkout and no live payment rail (Pay N/A).
n/a
AP2 - Agent Payments Protocol
bonus
0/0
Evidence. No cart/SKU/checkout and no live payment rail (Pay N/A).
partial
Pricing page
Recommended
1/3
Evidence. No pricing page.
Recommended fix. Publish /pricing.
n/a
pricing.md
bonus
0/2
Evidence. No /pricing.md (optional).
9. Can a user act through an agent? N/A
Whether a person can finish a job through an agent-facing UI.
n/a
MCP Apps UI hint
bonus
0/1
Evidence. No MCP Apps hint (N/A unless you return UI).
n/a
A2A agent card
Required
0/2
Evidence. No agent-card.json (N/A unless A2A).
n/a
Web app manifest
bonus
0/1
Evidence. No web app manifest (N/A).
n/a
Listed on skills.sh
bonus
0/1
Evidence. No official skills.sh org for this brand; community listings are N/A.
10. Can an agent operate your website directly? 20/100
Whether an agent can read and operate the site itself when there is no API or MCP.
failed
Markdown negotiation
bonus
0/1
Evidence. Advertised markdown twin but homepage did not negotiate markdown.
Probed homepage.
Recommended fix. Respond to Accept: text/markdown with a markdown body.
n/a
/index.md fallback
bonus
0/1
Evidence. No /index.md twin (N/A).
n/a
WebMCP page tools
bonus
0/1
Evidence. No in-page WebMCP (N/A).
n/a
NLWeb /ask
bonus
0/1
Evidence. No NLWeb /ask (N/A).
n/a
Agent mode view
bonus
0/1
Evidence. No mode=agent variant.
n/a
NodeInfo
bonus
0/1
Evidence. No nodeinfo (N/A).
n/a
oEmbed discovery
bonus
0/1
Evidence. No oEmbed (N/A unless embeddable).
failed
Markdown alternate link
bonus
0/1
Evidence. rel=alternate markdown /index.md
Recommended fix. Advertise a markdown twin with rel=alternate type=text/markdown and serve markdown at that URL.
failed
Markdown frontmatter metadata
bonus
0/1
Evidence. Served markdown has no YAML frontmatter block.
Recommended fix. Open served markdown with a --- frontmatter block carrying title plus description, canonical, or last-updated.
n/a
Markdown content negotiation (acceptmarkdown.com)
bonus
0/1
Evidence. Homepage does not negotiate markdown.
Probed homepage.
failed
Agent-UA markdown docs
bonus
0/1
Evidence. Docs host did not serve markdown to GPTBot (HTTP 429, text/html; charset=utf-8).
Recommended fix. Serve text/markdown to GPTBot (and similar agent UAs) on your docs host.
failed
Accessible document structure
bonus
0/3
Evidence. Homepage HTML lacks main/nav/H1 document structure.
Probed homepage.
Recommended fix. Give the homepage a main region, nav, H1, and a heading order that does not skip levels.
pass
Code fence validity
bonus
1/1
Evidence. No fenced blocks to unbalance.
partial
llms.txt links resolve
Recommended
1/2
Evidence. 2 real, 0 homepage-shell, 6 dead of 8 sampled links.
Probed homepage.
Recommended fix. Make every link your llms.txt declares resolve to real content, not a homepage shell 200.
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