---
title: "X-API-Version"
url: "https://developer.pexa.co.uk/apis/instruction-v1-v1/versions/861f183b-600d-4bbf-9762-abebcbf9b5ac/schemas/X-API-Version"
---

> Full API specification: https://developer.pexa.co.uk/apis/instruction-v1-v1/versions/861f183b-600d-4bbf-9762-abebcbf9b5ac.md

# X-API-Version

The API version that was used to process the request.

## OpenAPI definition

```yaml
openapi: 3.0.1
info:
  title: Lender Instruction
  version: v1
servers:
  - url: https://api.pexa.co.uk
    description: API Gateway URL
components:
  schemas:
    X-API-Version:
      type: string
      description: The API version that was used to process the request.
```