openapi: 3.2.0 info: title: Orthogonal API Marketplace Happenstance API version: 1.0.0 description: Discoverable APIs payable over MPP (Machine Payments Protocol / Tempo), x402, and np (Circle Gateway Nanopayments, x402 v2). servers: - url: https://mpp.orthogonal.com description: MPP (Tempo) rail - url: https://x402.orthogonal.com description: x402 rail - url: https://np.orthogonal.com description: np (Circle Gateway, x402 v2) rail tags: - name: Happenstance paths: /happenstance/v1/research: post: operationId: happenstance_POST__v1_research summary: Start a new person research request. Include as many details as possible about the person in the description field (name, company, role, etc.). tags: - Happenstance responses: '200': description: Successful response '402': description: Payment Required (x402 / MPP / np) x-payment-info: price: 0.3 offers: - method: mpp intent: charge rail: tempo currency: USDC.e url: https://mpp.orthogonal.com/happenstance/v1/research - method: x402 intent: charge rail: base currency: USDC url: https://x402.orthogonal.com/happenstance/v1/research - method: np intent: charge rail: base currency: USDC settlement: circle-gateway version: x402-v2 url: https://np.orthogonal.com/happenstance/v1/research /happenstance/v1/research/{research_id}: get: operationId: happenstance_GET__v1_research_research_id_ summary: Get the status and results of a research request. Returns status (RUNNING, COMPLETED, FAILED, FAILED_AMBIGUOUS) and a detailed profile when completed. tags: - Happenstance responses: '200': description: Successful response x-service-info: name: Orthogonal docs: llms: https://api.orthogonal.com/llms.txt protocols: - mpp - x402 - np