# ZeroBounce Validation API

**Canonical:** https://apis.io/apis/zerobounce/zerobounce-validation-api/  
**Provider:** ZeroBounce — https://apis.io/providers/zerobounce/  
**Base URL:** https://members-api.zerobounce.net  
**Documentation:** https://www.zerobounce.net/docs/email-validation-api-quickstart

ZeroBounce Validation API is one of 6 APIs that [ZeroBounce](https://apis.io/providers/zerobounce/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Validation. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

The ZeroBounce ChatGPT-plugin validation surface — 2 operations for single and batch email validation, served from members-api.zerobounce.net. The single-validation operation accepts up to 3 unauthenticated requests per day without an API key. This is the only ZeroBounce surface with a published OpenAPI.

## Operations (2)

| Method | Path | Summary |
|---|---|---|
| POST | `/api/validation/chatgpt-single-email-validation/` | Validate an email address. Allows a maximum of 3 requests per day for an unauthenticated user. For more requests please register on ZeroBounce.net and get an... |
| POST | `/api/validation/chatgpt-batch-validation/` | Validate a list of email addresses. Requires a ZeroBounce API key. The user can get an API key by registering on ZeroBounce.net - https://www.zerobounce.net/... |

## Machine-readable artifacts (3)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/zerobounce/refs/heads/main/openapi/zerobounce-validation-api-openapi.yml
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/zerobounce/refs/heads/main/overlays/zerobounce-validation-api-overlay.yaml
- **Documentation** — https://www.zerobounce.net/docs/email-validation-api-quickstart

## Other ZeroBounce APIs (5)

- [ZeroBounce Email Validation API](https://apis.io/apis/zerobounce/email-validation-api/)
- [ZeroBounce Email Validation API (US)](https://apis.io/apis/zerobounce/email-validation-api-us/)
- [ZeroBounce Email Validation API (EU)](https://apis.io/apis/zerobounce/email-validation-api-eu/)
- [ZeroBounce Bulk API](https://apis.io/apis/zerobounce/bulk-api/)
- [ZeroBounce MCP Server](https://apis.io/apis/zerobounce/mcp/)

## Tags

Validation

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/zerobounce/zerobounce-validation-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/zerobounce/.