HonestClaw
What is Agent Readiness?

Agent Readiness Score

heygen.com

54 — Developing. Agents can find parts of this site, but key capabilities are hard to reach.

45 of 45 checks conclusive · Confidence High · Evidence coverage 100%

HonestClaw measured how well heygen.com's site and APIs work for AI agents — across 9 dimensions and 45 automated checks.

Dimensions

Discoverability15.8/24
Content Accessibility16.8/24
Bot Access Control5/12
Protocol & Capability Discovery17.6/41
Authentication & Credentials6.8/19
Documentation Quality5.5/10
Structured Data I/O8/13
Observable State & Reliability9/15
Agent Safety & Trust6.8/11

Checks

Discoverability

Subdomain sweepsubdomain-sweepAn agent-relevant subdomain is live and serves its expected content kind (docs.heygen.com).Parseable
Canonical domaincanonical-domainRoot and www converge on www.heygen.com, with a matching canonical tag.Cross-verified
robots.txtrobots-txtrobots.txt at https://heygen.com/robots.txt declares a sitemap. Declared sitemap https://www.heygen.com/sitemap.xml resolves as valid XML.Cross-verified
sitemap.xmlsitemap-xmlhttps://www.heygen.com/sitemap.xml is a dated sitemap whose URLs include docs/pricing/api surfaces.Cross-verified
API existenceapi-existenceA real API surface is declared at https://developers.heygen.com/openapi/external-api.json: the spec lists servers and paths. (source: spec)Parseable
API catalogapi-catalogNo RFC 9727 API Catalog found at /.well-known/api-catalog.Not detected
API versioningapi-versioningThe API version lifecycle is documented at https://developers.heygen.com/endpoint-version-comparison, including deprecation/sunset. (source: docs)Cross-verified

Content Accessibility

Markdown twinmarkdown-twinA markdown twin is published at https://developers.heygen.com/index.md alongside the docs HTML surface (https://developers.heygen.com/).Parseable
Raw content extractabilityraw-content-extractabilityModerate-to-strong main content (93% of visible text) is extractable from raw HTML on the homepage.Useful
Freshness signalsfreshness-signalsFreshness signals present: Last-Modified header, sitemap lastmod.Useful
Crawl-cost estimatecrawl-cost-estimateInformational — not scoredA manageable sitemap (563 page URLs) helps agents estimate crawl cost.Useful
llms.txtllms-txtA curated llms.txt index is published at https://www.heygen.com/llms.txt: 44 links across 9 sections.Cross-verified
llms-full.txtllms-full-txtA comprehensive llms-full.txt is published at https://heygen.com/llms-full.txt with 87,663 chars across 12 sections.Cross-verified
ai.txtai-txtNo ai.txt file found (HTML pages at .txt paths do not qualify).Not detected

Bot Access Control

AI bot rulesai-bot-rulesrobots.txt declares explicit rules for 13 AI bot(s): google-extended, gptbot, oai-searchbot, chatgpt-user, claudebot, claude-web, perplexitybot, perplexity-user, applebot-extended, amazonbot, meta-externalfetcher, meta-externalagent, ccbot.Cross-verified
Content signalscontent-signalsrobots.txt is readable but declares no Content-Signal line.Not detected
RSL licensingrslrobots.txt is readable but declares no RSL License directive.Not detected
TDM reservationtdmrepNo TDMRep policy found at /.well-known/tdmrep.json.Not detected

Protocol & Capability Discovery

SDK availabilitysdk-availabilityNo SDK or client library documentation found.Not detected
MCP descriptormcp-descriptorInformational — not scoredAn MCP server is described at https://docs.heygen.com/.well-known/mcp.json, but the description doesn't include a web address for the server.Parseable
.well-known indexwell-known-indexNo non-owned /.well-known/ descriptors found.Not detected
MCP supportmcp-supportFirst-party documentation at https://developers.heygen.com/mcp/claude-code identifies the MCP endpoint https://mcp.heygen.com/mcp/v1/ and explains both its capabilities and how clients connect or authenticate.Cross-verified
A2A Agent Carda2a-agent-cardAn A2A Agent Card is described at https://docs.heygen.com/.well-known/agent-card.json, but it is missing required fields (name, description, version, supportedInterfaces, or skills).Parseable
MCP Server Cardmcp-server-cardA file exists at https://docs.heygen.com/.well-known/mcp/server-card.json, but it doesn't contain the fields that describe an MCP Server Card.Detected
DNS-AIDdns-aidNo DNS-AID index found at _index._agents.heygen.com.Not detected
GraphQL surfacegraphql-surfaceNo GraphQL transport surface found at conventional paths (GET-only; no introspection issued).Not detected
Auth discoveryauth-discoveryAgent-native auth discovery: a valid RFC 9728 PRM (via challenge) or a PRM plus a valid AS/OIDC descriptor.Cross-verified
Link headerslink-headersLink header(s) present with recognized rel values.Parseable
OpenAPI specificationopenapi-specValid OpenAPI 3.1.0 spec at https://developers.heygen.com/openapi/external-api.json: 138 operations, 288 schemas, 100% response coverage, servers declared.Cross-verified
Rate limit documentationrate-limit-docsRate limiting is mentioned at https://developers.heygen.com/docs/usage-limits, but not on a page dedicated to documenting it.Detected
WebMCPwebmcpInformational — not scoredWebMCP browser probing is not yet available in this scanner release.Couldn't verify

Authentication & Credentials

Programmatic auth flowprogrammatic-auth-flowProgrammatic authentication is mentioned at https://developers.heygen.com/docs/api-key, but not on a page dedicated to documenting it.Detected
Auth documentationauth-documentationAuthentication is documented at https://developers.heygen.com/docs/api-key with the specific detail an agent needs — the credential and how it is sent. To reach the top level, it would need to corroborate against another surface or document more than one complete method.Useful
Credential managementcredential-managementCredential management is documented at https://developers.heygen.com/docs/api-key, covering how to rotate or revoke credentials. To reach the top level, it would need rotation, revocation, and scoping/expiry all documented.Useful
Sandbox environmentsandbox-environmentNo sandbox or test environment documentation found at the standard docs locations an agent would check.Not detected

Documentation Quality

Changelog presencechangelog-presenceA changelog is published at https://developers.heygen.com/changelog with multiple recent dated entries, indicating it is actively maintained.Cross-verified
API reference depthapi-reference-depthAPI reference content is mentioned at https://developers.heygen.com/reference/bulk-asset-statuses, but not on a dedicated reference page.Detected

Structured Data I/O

Structured data I/Ostructured-data-ioThe spec at https://developers.heygen.com/openapi/external-api.json declares typed, consistent response schemas (100% of operations) with a pagination pattern and a structured error envelope. (source: spec)Cross-verified
Machine-readable pricingmachine-readable-pricingNo machine-readable pricing endpoint found (HTML pricing pages do not qualify).Not detected
Data export APIdata-export-apiNo data export or bulk API documentation found at the standard docs locations an agent would check.Not detected

Observable State & Reliability

Status & health endpointsstatus-and-healthHealth/status endpoint found at https://status.heygen.com/api/v2/status.json (HTTP 200).Detected
Retry & idempotencyretry-and-idempotencyRetry/idempotency is mentioned at https://developers.heygen.com/docs, but not on a page dedicated to documenting it.Detected
Webhook documentationwebhook-documentationWebhooks are fully documented at https://developers.heygen.com/docs/webhook-events, with event types, payload shapes, signature verification, and delivery/retry semantics.Cross-verified
Error documentationerror-documentationErrors are documented at https://developers.heygen.com/docs/error-codes with specific codes or a documented response shape. To reach the top level, it would need recovery guidance and a machine-readable error format, or corroboration against the API spec.Useful
Machine payments (x402/MPP)x402-or-mpp-supportInformational — not scoredNo machine-payment signal observed (no HTTP 402, no payment-required response header, and no /.well-known/x402.json manifest). Payment support cannot be ruled out from an unauthenticated probe.Couldn't verify

Agent Safety & Trust

security.txtsecurity-txtsecurity.txt at https://heygen.com/.well-known/security.txt publishes Contact and a future Expires date.Useful
Legal policy pageslegal-pagesBoth privacy and terms policies are discoverable with substantive content.Useful
Org identity signalsorg-identityHomepage exposes one org-identity signal (social).Detected
Metadata consistencymetadata-consistencyHomepage metadata (canonical, Open Graph, schema) is present and consistent.Cross-verified