# sendly-now Validation API

**Canonical:** https://apis.io/apis/sendly-now/sendly-now-validation-api/  
**Provider:** sendly-now — https://apis.io/providers/sendly-now/  
**Base URL:** https://api.sendly.now  
**Documentation:** https://docs.sendly.now/api-reference/overview

sendly-now Validation API is one of 27 APIs that [sendly-now](https://apis.io/providers/sendly-now/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. Tagged areas include Validation. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

Bulk email validation, billed per address: a bounded synchronous batch, and background runs over a whole list. Distinct from `Verify`, which is the one open, unauthenticated, single-address endpoint the marketing site calls.

## Operations (4)

| Method | Path | Summary |
|---|---|---|
| POST | `/api/v1/email-validations` | Validate a batch of email addresses |
| POST | `/api/v1/lists/{id}/validation-runs` | Validate every address on a list |
| GET | `/api/v1/validation-runs/{id}` | Retrieve a validation run |
| GET | `/api/v1/validation-runs/{id}/results` | List a validation run's results |

## Machine-readable artifacts (7)

- **OpenAPI** — https://artifacts.apis.io/sendly-now/openapi/sendly-now-validation-api-openapi.yml
- **JSONSchema** — https://artifacts.apis.io/sendly-now/json-schema/sendly-now-compose-mailbox-message-schema.json
- **JSONSchema** — https://artifacts.apis.io/sendly-now/json-schema/sendly-now-mailbox-conversation-reply-body-schema.json
- **JSONSchema** — https://artifacts.apis.io/sendly-now/json-schema/sendly-now-domain-logo-readiness-v1-schema.json
- **JSONSchema** — https://artifacts.apis.io/sendly-now/json-schema/sendly-now-send-email-schema.json
- **JSONSchema** — https://artifacts.apis.io/sendly-now/json-schema/sendly-now-send-email-v1-schema.json
- **JSONSchema** — https://artifacts.apis.io/sendly-now/json-schema/sendly-now-domain-schema.json

## Other sendly-now APIs (12)

- [sendly-now Account API](https://apis.io/apis/sendly-now/sendly-now-account-api/)
- [sendly-now Analytics API](https://apis.io/apis/sendly-now/sendly-now-analytics-api/)
- [sendly-now API Keys API](https://apis.io/apis/sendly-now/sendly-now-api-keys-api/)
- [sendly-now Billing API](https://apis.io/apis/sendly-now/sendly-now-billing-api/)
- [sendly-now Campaigns API](https://apis.io/apis/sendly-now/sendly-now-campaigns-api/)
- [sendly-now Compatibility API](https://apis.io/apis/sendly-now/sendly-now-compatibility-api/)
- [sendly-now Connections API](https://apis.io/apis/sendly-now/sendly-now-connections-api/)
- [sendly-now Contacts API](https://apis.io/apis/sendly-now/sendly-now-contacts-api/)
- [sendly-now Deliverability API](https://apis.io/apis/sendly-now/sendly-now-deliverability-api/)
- [sendly-now Domains API](https://apis.io/apis/sendly-now/sendly-now-domains-api/)
- [sendly-now Emails API](https://apis.io/apis/sendly-now/sendly-now-emails-api/)
- [sendly-now Events API](https://apis.io/apis/sendly-now/sendly-now-events-api/)

## Tags

Validation

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