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Resend Batch API

The Batch API from Resend — 1 operation(s) for batch.

Resend Batch API is one of 13 APIs that Resend publishes on the APIs.io network, described by a machine-readable OpenAPI specification and an AsyncAPI event-driven specification.

This API exposes 4 JSON Schema definitions.

Tagged areas include Batch. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an AsyncAPI specification, and 4 JSON Schemas.

This API exposes 1 operation across 1 path, and defines 4 schemas. It is described by OpenAPI 3.0.3, at version 1.1.0.

Requests are made against a single base URL, https://api.resend.com.

1 operations 1 paths 4 schemas 1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.3
API Version
1.1.0
Base URL
https://api.resend.com
Authentication
HTTP Bearer
Resource Areas
1

Authentication & Security 1

Resend Batch API declares 1 security scheme for authenticating requests. It accepts HTTP bearer tokens (bearerAuth). By default, every request must be authenticated.

Paths & Operations 1

Across 1 path, the API surfaces 1 operation — 1 POST. Each is listed below with its method, path, parameters, and response codes.

Batch 1
POST
/emails/batch
Trigger up to 100 batch emails at once.
body → 200

Schemas 4

The contract defines 4 schemas that model the data the API accepts and returns. The most detailed are SendEmailRequest (12 properties), Attachment (4 properties), Tag (2 properties), CreateBatchEmailsResponse (1 property). Each schema is shown below with its type and property counts.

SendEmailRequest
object
12 properties 3 required
Attachment
object
4 properties
CreateBatchEmailsResponse
object
1 property
Tag
object
2 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

resend-batch-api-openapi.yml Raw ↑

Other APIs Resend publishes across the network.

Resend Apis API
Resend Audience API
Resend Audiences API
Resend Broadcasts API
Resend Cancel API
Resend Contacts API
Resend Domains API
Resend Email API
Resend Emails API
Resend Keys API
Resend Send API
Resend Verify API