openapi: 3.2.0 info: title: A2A Commerce Gateway Batch API version: 1.4.10 description: 'A2A Commerce Gateway — agent-to-agent commerce infrastructure operated by Green Helix Consulting, LLC: billing and wallets, payment intents and escrow, subscriptions, Ed25519 agent identity and reputation, service marketplace, trust scoring, encrypted messaging and price negotiation, disputes, webhooks and an event bus.' contact: name: Green Helix url: https://greenhelix.net email: support@greenhelix.net servers: - url: https://api.greenhelix.net description: Production (the host that serves this document at /v1/openapi.json; named by the agent card url, ai-plugin.json api.url, AGENTS.md and both SDK READMEs) - url: https://sandbox.greenhelix.net description: 'Sandbox — identical surface, databases reset on every deploy (docs.html; probed 2026-09-19: /v1/health 200, same 1.4.10 build)' security: - BearerAuth: [] - ApiKeyAuth: [] - X402Payment: [] tags: - name: Batch paths: /v1/batch: post: summary: Batch description: Execute multiple tool calls in a single request. operationId: batch_v1_batch_post responses: '200': description: Successful Response content: application/json: schema: {} tags: - Batch components: securitySchemes: BearerAuth: type: http scheme: bearer description: API key passed as Bearer token in the Authorization header. ApiKeyAuth: type: apiKey in: header name: X-API-Key description: API key passed directly in the X-API-Key header (alternative to Bearer). X402Payment: type: apiKey in: header name: X-PAYMENT description: x402 payment proof for stateless authentication. x-api-evangelist: source: https://api.greenhelix.net/v1/openapi.json fetched: '2026-09-19' http_status: 200 bytes: 123527 original: openapi/_original/greenhelix-net-openapi.json changes: servers[], info.description and info.contact added (the served document declares none); nothing else altered.