{"id":"zerobounce-api","name":"ZeroBounce","homepage":"https://www.zerobounce.net","repo_url":"https://github.com/zerobounce/zerobounce-python-api","category":"email","subcategories":["email-validation","data-quality","marketing"],"tags":["zerobounce","email-validation","email-verification","bounce-prevention","rest-api","sdk"],"what_it_does":"Email validation and deliverability API that verifies email addresses in real-time or in batch, scoring them on validity, bounce risk, spam traps, and abuse patterns.","use_cases":["Real-time email validation at form submission to prevent bad emails entering your database","Batch validation of email lists before sending marketing campaigns","Scoring email quality to identify temporary/disposable addresses","Abuse and spam trap detection to protect sender reputation","Email append — finding email addresses for known contacts"],"not_for":["Email sending — this is validation only, not an ESP","SMTP testing or email deliverability testing beyond validation","Domain-level DNS checks without email-level verification"],"best_when":"You need high-accuracy email validation with detailed scoring (bounce type classification, spam trap detection) and want a well-documented API with SDKs in multiple languages.","avoid_when":"You only need basic syntax validation (do that client-side for free) or you're looking for a free email validation service at scale.","alternatives":["neverbounce-api","abstractapi"],"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":"2026-03-01T09:50:06.442240+00:00","performance":{"latency_p50_ms":300,"latency_p99_ms":1200,"uptime_sla_percent":99.9,"rate_limits":"No documented rate limits for API; batch processing has file size limits","data_source":"llm_estimated","measured_on":null}}