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Where the information came from. Everything here is assembled from material a member of the public can reach with a browser and no credentials — the company's own website, developer portal and documentation, the specifications it publishes for public use (OpenAPI, AsyncAPI, JSON Schema,
apis.json,llms.txtand similar), its public repositories, and its public status, pricing and changelog pages. Nothing here is obtained by breaching a system, defeating an access control, or using credentials of any kind.The rating is an independent assessment. The Kin Score and Agent Readiness rating are independently calculated scores of a company's public API artifacts, produced by API Evangelist against a published rubric. They are not certifications, endorsements, security assessments, or audits, and they score published artifacts — not the quality, safety, or security of the software.
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Full detail: Where this data comes from
LeadGenius provides precision B2B contact and account intelligence for go-to-market teams, combining machine learning with a global team of human researchers so every contact and account is human-verified before delivery.
Its developer surface is the LeadGenius Enrichment API — a RESTful, API-key authenticated service documented at docs.leadgenius.com covering company enrichment, contact enrichment and contact append, in two modes:
- Campaigns (batch) — create a campaign, upload up to 200 records per request, receive the
record.finalizedwebhook, retrieve the enriched results. - Rapid enrichment (real time) — submit a single account, contact or
get_contactsrequest and collect the enriched record by id.
| Artifact | File |
|---|---|
| OpenAPI 3.1 (captured from the docs) | openapi/leadgenius-enrichment-api-openapi.yml |
| Overlay | overlays/leadgenius-enrichment-api-overlay.yaml |
| Authentication | authentication/leadgenius-authentication.yml |
| Conventions | conventions/leadgenius-conventions.yml |
| Error catalog | errors/leadgenius-problem-types.yml |
| Rate limits | rate-limits/leadgenius-rate-limits.yml |
| Lifecycle | lifecycle/leadgenius-lifecycle.yml |
| Conformance | conformance/leadgenius-conformance.yml |
| Data model | data-model/leadgenius-data-model.yml |
| Webhook catalog | asyncapi/leadgenius-enrichment-webhooks.yml |
| MCP candidate tools | mcp/leadgenius-mcp.yml |
| Agent skills | skills/_index.yml |
| Agentic access | agentic-access/leadgenius-agentic-access.yml |
| Domain security | security/leadgenius-domain-security.yml |
| Well-known probe | well-known/leadgenius-well-known.yml |
| llms.txt | llms/leadgenius-llms.txt |
LeadGenius does not publish a machine-readable OpenAPI definition; the spec here was transcribed from the published reference by the API Evangelist enrichment pipeline.
Backed by: 500-global, initialized-capital — https://leadgenius.com