{"id":"klaviyo-api","name":"Klaviyo API","homepage":"https://www.klaviyo.com","repo_url":"https://github.com/klaviyo/klaviyo-api-python","category":"communication","subcategories":["email","sms","ecommerce-marketing"],"tags":["klaviyo","email","sms","ecommerce","marketing-automation","shopify","rest-api","sdk"],"what_it_does":"Ecommerce-focused email and SMS marketing platform with deep Shopify/BigCommerce integration, behavioral segmentation, and APIs for event tracking, profile management, and campaign automation.","use_cases":["Syncing customer purchase events from agent workflows to Klaviyo","Creating and updating customer profiles with behavioral data","Triggering automated email flows based on agent-detected events","Querying segment membership for targeting decisions","Managing SMS consent and sending transactional SMS"],"not_for":["Non-ecommerce applications (Klaviyo is heavily ecommerce-optimized)","Pure transactional email without marketing automation needs","Teams not using Shopify, WooCommerce, or similar platforms"],"best_when":"You're running an ecommerce store and need tightly integrated email/SMS marketing driven by purchase and browse behavior.","avoid_when":"You're not in ecommerce or need a general-purpose email API without marketing automation.","alternatives":["sendgrid-api","brevo-api","customerio-api","mailgun-api"],"af_score":81.2,"security_score":null,"reliability_score":null,"package_type":"mcp_server","discovery_source":["github"],"priority":"low","status":"evaluated","version_evaluated":"current","last_evaluated":"2026-03-01T09:50:05.754157+00:00","performance":{"latency_p50_ms":200,"latency_p99_ms":800,"uptime_sla_percent":99.9,"rate_limits":"Varies by endpoint: typically 75 requests/second with burst allowances","data_source":"llm_estimated","measured_on":null}}