openapi: 3.1.0 info: title: Apollo.io Accounts Contacts API version: 1.0.0 description: Apollo.io provides sales intelligence and engagement APIs for prospecting, enrichment, sequences, deals, tasks and call records. This minimal OpenAPI was generated from the public reference documentation. servers: - url: https://api.apollo.io/v1 description: Production tags: - name: Contacts paths: /contacts: post: summary: Create a contact operationId: createContact requestBody: content: application/json: schema: type: object responses: '201': description: Created content: application/json: schema: type: object tags: - Contacts /contacts/{id}: parameters: - name: id in: path required: true schema: type: string patch: summary: Update a contact operationId: updateContact requestBody: content: application/json: schema: type: object responses: '200': description: OK content: application/json: schema: type: object tags: - Contacts /contacts/bulk_create: post: summary: Bulk create contacts operationId: bulkCreateContacts requestBody: content: application/json: schema: type: object responses: '200': description: OK content: application/json: schema: type: object tags: - Contacts x-generated-from: https://docs.apollo.io/ x-generated-by: claude-crawl-2026-05-08