Documentation Index
Fetch the complete documentation index at: https://developers.vfbulk.ie/llms.txt
Use this file to discover all available pages before exploring further.
Download OpenAPI specs
Download the source OpenAPI files for local tooling, contract review, or code generation.OAuth and campaign API
Download the OAuth token, campaign, sender list, health, and processing webhook spec.
Legacy URL-encoded API
Download the v1 URL-encoded send message API spec.
Delivery and inbound webhooks
Download the delivery receipt and inbound message webhook spec.
Base URL
All API requests are made to:Base URL
Authentication
Authenticate by first obtaining an access token from:Token endpoint
Authorization header on every API request:
Authorization header
Request format
The OAuth token endpoint usesapplication/x-www-form-urlencoded.
Campaign endpoints use JSON with Content-Type: application/json.
Response codes
| Code | Meaning |
|---|---|
200 | OK — request succeeded |
400 | Bad Request — invalid parameters or validation errors |
401 | Unauthorized — invalid or missing access token |
415 | Unsupported Media Type — use the required content type |
500 | Internal Server Error |