INTRODUCTION
BacklinkBase is a cloud-native link-building platform that turns the tedious, manual process of securing backlinks into a push-button workflow. Instead of negotiating with dozens of site owners or juggling spreadsheets, you purchase flexible “credits,” choose your target pages, and let BacklinkBase handle outreach, placement, and reporting behind the scenes. The system continuously monitors placement health, so every link you generate stays live and compliant with search-engine guidelines.
Built for agencies and solo SEO practitioners alike, BacklinkBase emphasizes transparency and control. You see exactly which sites are available, what each backlink costs in credits, and how every task is progressing—no hidden networks, no mystery metrics. Because the service is delivered entirely through a lightweight REST API and a simple web dashboard, you can integrate link-building seamlessly into existing SEO pipelines, internal tooling, or even client portals.
To get started with the Backlink Base API, you'll need an API key. Simply create a free account at backlinkbase.com to obtain your API key. Once you have it, you can easily start creating backlink campaigns from your own softwares or integration.
OVERVIEW
The Backlink Base API exposes the same automation layer that powers our dashboard, giving developers programmatic access to every step of the backlink lifecycle. With just a handful of endpoints you can (1) verify service availability with Health-Check, (2) query your remaining Credits, and (3) manage backlink “Tasks” end-to-end—listing eligible target sites, creating new tasks, polling task status, and retrieving completed task details. A dedicated Sandbox Mode lets you test integrations without consuming real credits or triggering live placements, making CI/CD deployment safe and cost-free.
Whether you’re building an internal SEO command-line tool, integrating link generation into a campaign-management SaaS, or simply automating weekly backlink purchases, the API provides concise JSON responses, clear rate limits, and predictable task states. The result: reliable, scriptable link-building that scales with your growth instead of slowing it down.
RESPONSES
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QUICK START
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AUTHENTICATION
Every BacklinkBase endpoint requires your personal access_key (sometimes called api_key). Because the service doesn’t accept authentication headers, the key must be supplied as a query-string parameter (recommended) or a JSON body field for POST calls. Requests that omit or misspell this parameter return 401 Unauthorized.
ERROR CODES
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DATA MODELS
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HEALTH CHECK
The /health-check endpoint allows you to retrieve the health status of the API. Server sends current timestamp and success status. This endpoint is useful for checking if the API is up and running.
CREDITS
Every BacklinkBase endpoint requires your personal access_key (sometimes called api_key). Because the service doesn’t accept authentication headers, the key must be supplied as a query-string parameter (recommended) or a JSON body field for POST calls. Requests that omit or misspell this parameter return 401 Unauthorized.
LIST TARGET SITES
The /task/sites endpoint returns the entire list of target websites available for your API account. There is no pagination — all entries are returned in a single response. This is useful for managing or displaying linked sites from the dashboard or API clients.
LIST TASKS
This endpoint returns a full list of your created tasks. It uses the same request body as the /v1/tasks endpoint. There is no pagination — all tasks will be included in the response.CREATE TASK
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SANDBOX MODE
This endpoint allows you to create a new task by submitting the required article and target site information. Tasks can optionally be scheduled and run in sandbox mode.