Email verification, from key to decision
Bounceless gives applications and agents an explainable verification result and a Pre-Send decision. Start with a Bounceless account, create an API key, then choose the interface that fits your workflow.1
Create an account
Sign up for Bounceless, then open the dashboard.
2
Create an API key
Open API keys. Copy the new key when it appears; it is shown once.
3
Run a controlled check
Follow the quickstart with a synthetic or otherwise authorized address. Keep the key out of source control, prompts, and screenshots.
Choose an integration
Compare API, CLI, MCP, and agent workflows.
Verify one email
Handle both completed and accepted responses.
Verify a batch
Submit, poll, and page through every result.
Interpret a decision
Map verdicts, decisions, and reason codes to safe actions.