DeBounce (debounce)

DeBounce is an email validation and verification REST API that helps developers ensure the deliverability and quality of email addresses at scale. The API supports real-time single email validation, asynchronous bulk list processing, and data enrichment via reverse email lookup. It detects disposable addresses, role-based emails, catch-all domains, syntax errors, and performs MX record and SMTP-level mailbox verification. DeBounce offers pay-as-you-go credit-based pricing with no monthly subscription required, full API access at every tier, and credits that never expire.

• APIs.json: https://raw.githubusercontent.com/api-evangelist/debounce/refs/heads/main/apis.yml
• Naftiko: https://github.com/naftiko/fleet?utm_source=api-evangelist&utm_medium=readme&utm_campaign=debounce-api-evangelist&utm_content=repo

Tags

• Email Validation
• Email Verification
• Deliverability
• Disposable Email Detection
• MX Records
• Bulk Email Validation
• Data Enrichment
• Syntax Validation

APIs

Name	Description	Docs
DeBounce Email Validation API	Real-time and bulk email address verification, deliverability checks, disposable/role-based detection, MX record validation, SMTP verification, data enrichment, and disposable domain detection.	Documentation

Plans / Rate Limits / FinOps

Resource	File
Plans & Pricing	plans/debounce-plans-pricing.yml
Rate Limits	rate-limits/debounce-rate-limits.yml
FinOps	finops/debounce-finops.yml

Pricing summary: Pay-as-you-go credits from $0.002/email (5K pack) to $0.00035/email (5M pack). 100 free credits on signup. Credits never expire. No monthly subscription required.

Rate limits summary: Private API keys support 5 concurrent requests (2 with data enrichment enabled). Public keys limited to 20 validations per IP per day. One bulk validation job active per account at a time.

Timestamps

Field	Value
Created	2026-06-12
Modified	2026-06-12

Common

Type	URL
Website	https://debounce.com/
Documentation	https://developers.debounce.com/
GitHub Org	https://github.com/debounceio
LinkedIn	https://www.linkedin.com/company/debounceio
Blog	https://debounce.com/blog/
Pricing	https://debounce.com/pricing/
Status Page	https://status.debounce.com/
X	https://x.com/debounceio

Maintainers

Name	Email
Kin Lane	kin@apievangelist.com