aid: voyant name: Voyant.io description: >- Voyant.io is a brand-context platform that turns a company's positioning, messaging, personas, products, pricing, and competitive intelligence into structured "context streams" that any AI tool or agent can read at generation time, so AI-produced copy stays on-message instead of drifting or hallucinating claims. The product is delivered as a large FastAPI-based REST API (783 operations across 79 tags covering context streams, RAG search, messaging frameworks, target graph, telemetry, social signal harvesting, competitive intelligence, and content generation), a hosted MCP server exposing 15 tools to agent clients, and a set of published agent-governance files (`/.well-known/llms.txt`, `/.well-known/context.txt`) that declare training permissions and inference-control rules for the domain itself. Marketed to B2B GTM teams scaling from $5M to $100M ARR. Pre-seed, founded by Andrew M. Brown; the API runs under the internal name "VoiceForge". deliveryModel: model: saas open_source: false commercial: true callable_host: false label: Hosted service ยท you call their endpoint confidence: medium source: - pricing generated: '2026-08-12' method: derived accessModel: pricing: unknown onboarding: self-serve trial: false try_now: false public: false label: Self-serve signup confidence: medium source: - authentication generated: '2026-08-12' method: derived image: https://www.voyant.io/img/logo/voyant-logo.png url: https://raw.githubusercontent.com/api-evangelist/voyant/refs/heads/main/apis.yml created: '2026-08-12' modified: '2026-08-13' specificationVersion: '0.21' x-type: company x-source: manual:kin tags: - artificial-intelligence - context-management - brand-governance - product-marketing - gtm-operations - marketing-automation - content-generation - competitive-intelligence - semantic-search - rag - mcp - agent-native - signals - telemetry apis: - name: VoyantIO API description: >- REST API for the Voyant brand-context platform, published as OpenAPI 3.1.0 with 783 operations over 79 tags. Covers context streams and context modulation, RAG ingestion and semantic search, the messaging framework (positioning, personas, products, use cases, industries, testimonials), target graph and CRM context, telemetry and attribution, social signal harvesting (GitHub, Reddit, HackerNews, LinkedIn, YouTube, G2, Discord, government sources), competitive intelligence and battlecards, GEO/AEO intelligence, content and video generation, and generation of agent-facing artifacts (llms.txt, context.txt, trust.txt, ontology.jsonld) for the customer's own domain. Bearer-token authenticated. humanURL: https://voice-forge-production.up.railway.app/docs baseURL: https://voice-forge-production.up.railway.app tags: - artificial-intelligence - context-management - brand-governance - product-marketing - gtm-operations - content-generation - competitive-intelligence - semantic-search - rag - signals - telemetry properties: - type: OpenAPI url: openapi/voyant-openapi-original.json - type: Documentation url: https://voice-forge-production.up.railway.app/docs - type: APIReference url: https://voice-forge-production.up.railway.app/redoc - type: Authentication url: authentication/voyant-authentication.yml - type: ErrorCatalog url: errors/voyant-problem-types.yml - type: Conventions url: conventions/voyant-conventions.yml - type: DataModel url: data-model/voyant-data-model.yml - type: AgenticAccess url: agentic-access/voyant-agentic-access.yml - name: Voyant MCP Server description: >- Hosted Model Context Protocol server (`voyant-mcp` 1.1.0) exposing 15 tools that let an agent client pull the organization's brand context, persona/funnel-modulated context, positioning, messaging, personas, products, use cases, industries, testimonials, competitive intelligence, market signals, and RAG search results, plus a content-generation tool. Tool list and input schemas are readable anonymously at `/mcp/tools`; calling a tool requires a `vio_*` API key or a Clerk token. SSE and JSON-RPC message transports. humanURL: https://voice-forge-production.up.railway.app/mcp/tools baseURL: https://voice-forge-production.up.railway.app/mcp tags: - mcp - agent-native - context-management - artificial-intelligence properties: - type: MCPServer url: mcp/voyant-mcp.yml - type: ToolCrosswalk url: mcp/voyant-tool-crosswalk.yml - name: Gypsum Context API description: >- Second OpenAPI published by Voyant.io, discovered 2026-08-13 at https://www.voyant.io/openapi-gypsum.json (HTTP 200, application/json, 36,964 bytes). A clean 26-operation, 7-tag cut of the brand-context surface โ€” messaging, positioning, personas, products, use cases, industries and testimonials context reads, plus ICP CRUD, campaign management and a brand-aware AI chat endpoint. Ownership is proven by the spec's own contents: info.contact.name "VoyantIO", info.contact.url https://voyant.io, and a first-party servers[] host. IMPORTANT โ€” the declared production host `gypsum.voyant.io` does NOT resolve (NXDOMAIN from both 8.8.8.8 and 1.1.1.1, while the apex voyant.io resolves to 76.76.21.21), so this contract is real and first-party but currently has no callable address. The spec declares no securitySchemes at all; auth is described in prose only, as a `user_id` query parameter carrying the Clerk organization ID. humanURL: https://www.voyant.io/openapi-gypsum.json baseURL: https://gypsum.voyant.io tags: - artificial-intelligence - context-management - brand-governance - product-marketing - content-generation properties: - type: OpenAPI url: openapi/voyant-gypsum-openapi.json - type: Overlay url: overlays/voyant-gypsum-openapi-overlay.yaml x-evidence: verified: '2026-08-13' spec_url: https://www.voyant.io/openapi-gypsum.json spec_status: 200 spec_bytes: 36964 parses_as: OpenAPI 3.1.0 operations: 26 paths: 21 ownership: >- info.contact.name "VoyantIO" + info.contact.url https://voyant.io + servers[0] https://gypsum.voyant.io (voyant.io subdomain). Not a sibling-brand spec. host_resolves: false host_dns_status: NXDOMAIN host_resolvers_checked: - 8.8.8.8 - 1.1.1.1 host_http: unreachable (curl exit 6 โ€” could not resolve host) linked_from: >- Nothing. Reachable only because /openapi-gypsum.json is a declared route in the marketing SPA router table inside https://www.voyant.io/assets/index-yINxrnQo.js. common: - type: Website url: https://www.voyant.io/ - type: DeveloperPortal url: https://voice-forge-production.up.railway.app/docs - type: Documentation url: https://voice-forge-production.up.railway.app/docs - type: APIReference url: https://voice-forge-production.up.railway.app/redoc - type: Pricing url: https://www.voyant.io/pricing - type: Support url: mailto:andrew@voyant.io - type: Authentication url: authentication/voyant-authentication.yml - type: MCPServer url: mcp/voyant-mcp.yml - type: ToolCrosswalk url: mcp/voyant-tool-crosswalk.yml - type: WellKnown url: well-known/voyant-well-known.yml - type: LLMsTxt url: llms/voyant-llms.txt - type: ErrorCatalog url: errors/voyant-problem-types.yml - type: Conventions url: conventions/voyant-conventions.yml - type: DataModel url: data-model/voyant-data-model.yml - type: Lifecycle url: lifecycle/voyant-lifecycle.yml - type: Conformance url: conformance/voyant-conformance.yml - type: DomainSecurity url: security/voyant-domain-security.yml - type: AgentSkill url: skills/_index.yml - type: AgenticAccess url: agentic-access/voyant-agentic-access.yml - type: Plans url: plans/voyant-plans-pricing.yml - type: RateLimits url: rate-limits/voyant-rate-limits.yml - type: AsyncAPI url: asyncapi/voyant-streaming-asyncapi.yml - type: Packages url: packages/voyant-packages.yml - type: Overlay url: overlays/voyant-openapi-original-overlay.yaml - type: Login url: https://www.voyant.io/dashboard - type: SourceCode url: https://github.com/andrew-brown-noosphere/agent-samples maintainers: - FN: Kin Lane email: kin@apievangelist.com - FN: APIs.json email: info@apis.io x-enrichment: date: '2026-08-13' status: enriched artifacts_added: 7 pass: local-v1