> ## 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. # Personalize Campaign Email > Generate personalized email content for a campaign lead. This endpoint is called by the Worker Lambda (via internal API key) or directly by authenticated users (via JWT). ## OpenAPI ````yaml https://api.bavlio.com/openapi.json post /api/v1/campaigns/{campaign_id}/personalize 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/campaigns/{campaign_id}/personalize: post: tags: - campaign-personalization summary: Personalize Campaign Email description: |- Generate personalized email content for a campaign lead. This endpoint is called by the Worker Lambda (via internal API key) or directly by authenticated users (via JWT). operationId: >- personalize_campaign_email_api_v1_campaigns__campaign_id__personalize_post parameters: - name: campaign_id in: path required: true schema: type: string format: uuid title: Campaign Id - name: X-Internal-Api-Key in: header required: false schema: anyOf: - type: string - type: 'null' title: X-Internal-Api-Key requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/PersonalizationRequest' responses: '200': description: Successful Response content: application/json: schema: $ref: '#/components/schemas/PersonalizationResponse' '401': description: Unauthorized - Invalid or missing JWT token '404': description: Campaign or lead not found '422': description: Validation Error content: application/json: schema: $ref: '#/components/schemas/HTTPValidationError' security: - HTTPBearer: [] components: schemas: PersonalizationRequest: properties: campaign_lead_id: type: string format: uuid title: Campaign Lead Id description: The campaign lead ID job_id: type: string format: uuid title: Job Id description: The outbound job ID step_index: type: integer minimum: 0 title: Step Index description: The step index in the campaign variant_label: type: string title: Variant Label description: The variant label for A/B testing sender_profile_id: type: string format: uuid title: Sender Profile Id description: The sender profile ID to use type: object required: - campaign_lead_id - job_id - step_index - variant_label - sender_profile_id title: PersonalizationRequest description: Request to personalize email content for a campaign lead. PersonalizationResponse: properties: job_id: type: string format: uuid title: Job Id description: The outbound job ID campaign_lead_id: type: string format: uuid title: Campaign Lead Id description: The campaign lead ID personalized_subject: type: string title: Personalized Subject description: Personalized email subject personalized_body: type: string title: Personalized Body description: Personalized email body (HTML) sender_email: type: string title: Sender Email description: Sender email from profile recipient_email: type: string title: Recipient Email description: Recipient email address credits_consumed: type: integer title: Credits Consumed description: Credits consumed for personalization type: object required: - job_id - campaign_lead_id - personalized_subject - personalized_body - sender_email - recipient_email - credits_consumed title: PersonalizationResponse description: Response containing personalized email content. HTTPValidationError: properties: detail: items: $ref: '#/components/schemas/ValidationError' type: array title: Detail type: object title: HTTPValidationError 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 ````