> ## Documentation Index > Fetch the complete documentation index at: https://bavlio.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # Batch preview (SSE) — up to 25 leads, streams results as they complete > Serial backend processing (no gather) to keep per-lead cache behavior predictable and budget-flat. Streams one SSE `lead_result` event per lead and a final `done` event. Echoes `client_run_id` as `batch_id` on every event so frontends can discard stale events from prior runs. ## OpenAPI ````yaml https://api.bavlio.com/openapi.json post /api/v1/personalize/preview/batch openapi: 3.1.0 info: title: Bavlio API description: >- Outreach automation API — lead enrichment, email campaigns, LinkedIn automation, and AI agent. Full docs at https://docs.bavlio.com. version: 1.0.0 servers: [] security: [] tags: - name: API Keys description: >- Create, list, and revoke API keys for programmatic access. JWT authentication required. - name: credits description: Credit balance, cost estimates, and transaction history. - name: campaigns description: Create, manage, launch, and monitor email campaigns. - name: campaign-personalization description: AI-powered email subject and body personalization for campaigns. - name: email-finder description: Find and verify email addresses for prospects. - name: email-verification description: Validate email addresses and prune invalid entries from datasets. - name: sender-profiles description: Manage sender identity profiles for outreach. - name: sender-profile-chat description: Interactive chat for building sender profiles. - name: templates description: Email template CRUD. - name: suppression description: Do-not-contact suppression list management. - name: datasets description: Lead dataset listing, download, and updates. - name: user-extractions description: Uploaded lead file management and processing. - name: enrichment-chat description: Interactive chat for data enrichment sessions. - name: enrichment-processing description: Batch lead enrichment processing. - name: File Upload (CSV/Excel) description: Upload and preview CSV/Excel lead files. - name: connected-accounts description: LinkedIn account connections via Unipile. - name: linkedin-content description: LinkedIn post creation, scheduling, and management. - name: linkedin-playground description: Direct LinkedIn actions (profile lookup, messaging, engagement). - name: bavimail-proxy description: BaviMail domain, alias, and email management. - name: agent description: Bavi AI agent chat with SSE streaming. - name: notifications description: Notification preferences and delivery. - name: referral description: Referral code management and stats. - name: feedback description: User feedback submission. - name: authentication description: JWT token verification and user info. - name: Google OAuth description: Google OAuth login flow and access tokens. - name: Google Sheets OAuth description: Google Sheets import and access management. - name: stripe description: Stripe checkout, billing portal, and subscription status. JWT only. - name: users description: User quota and usage information. - name: Health description: Health checks and system status. - name: Personalization description: Core lead personalization engine. - name: Session Management description: Enrichment session lifecycle. - name: Session Processing description: Session data processing. - name: webhooks description: Inbound webhook handlers (Stripe, BaviMail, Unipile). paths: /api/v1/personalize/preview/batch: post: tags: - Personalization summary: Batch preview (SSE) — up to 25 leads, streams results as they complete description: >- Serial backend processing (no gather) to keep per-lead cache behavior predictable and budget-flat. Streams one SSE `lead_result` event per lead and a final `done` event. Echoes `client_run_id` as `batch_id` on every event so frontends can discard stale events from prior runs. operationId: personalize_preview_batch_api_v1_personalize_preview_batch_post requestBody: content: application/json: schema: $ref: '#/components/schemas/BatchPreviewRequest' required: true responses: '200': description: Successful Response content: application/json: schema: {} '422': description: Validation Error content: application/json: schema: $ref: '#/components/schemas/HTTPValidationError' security: - HTTPBearer: [] components: schemas: BatchPreviewRequest: properties: client_run_id: type: string title: Client Run Id description: >- Client-generated UUIDv4; backend echoes it as batch_id in every event. leads: items: $ref: '#/components/schemas/BatchPreviewLead' type: array minItems: 1 title: Leads sender_profile_id: anyOf: - type: string - type: 'null' title: Sender Profile Id description: Saved sender profile id; takes precedence over sender_data. sender_data: anyOf: - additionalProperties: true type: object - type: 'null' title: Sender Data description: Inline sender profile data; ignored if sender_profile_id is set. active_prompt_name: anyOf: - type: string - type: 'null' title: Active Prompt Name description: >- Name of a named prompt stored on sender_data.prompts[]. Silent fallback to custom_prompt → default if not found. custom_prompt: anyOf: - type: string - type: 'null' title: Custom Prompt description: Optional prompt override for this batch run (100-5000 chars). type: object required: - client_run_id - leads title: BatchPreviewRequest description: Batch preview request body. Streams results as SSE. HTTPValidationError: properties: detail: items: $ref: '#/components/schemas/ValidationError' type: array title: Detail type: object title: HTTPValidationError BatchPreviewLead: properties: lead_data: additionalProperties: true type: object title: Lead Data description: Lead fields (company, role, linkedin_url, ...). dataset_id: anyOf: - type: string - type: 'null' title: Dataset Id description: Optional dataset id for per-lead research cache. row_index: anyOf: - type: integer minimum: 0 - type: 'null' title: Row Index description: Row index within dataset; required when dataset_id is set. force_refresh_research: type: boolean title: Force Refresh Research description: Bypass the research cache for this lead. default: false type: object required: - lead_data title: BatchPreviewLead description: One lead within a batch preview request. ValidationError: properties: loc: items: anyOf: - type: string - type: integer type: array title: Location msg: type: string title: Message type: type: string title: Error Type type: object required: - loc - msg - type title: ValidationError securitySchemes: HTTPBearer: type: http scheme: bearer ````