FOR BUYERS · AGENTS WELCOME

Your AI agents order the links. Easily.

Every list you get pitched is stale, self-reported, and formatted differently. Here the inventory is verified by us, filterable like a database, and orderable through one clean pipeline. Work it yourself from the dashboard, or hand your agent a key and let it run the whole loop.

AHREFS + MOZ VERIFIED · SPEAKS MCP · WEBHOOKS + FULL EVENT TIMELINE

We do not trust the seller's spreadsheet either.

Every site on the marketplace was crawled and categorized by us, with DR, traffic, referring domains, and spam score pulled from Ahrefs and Moz on our own keys. Numbers refresh on a 30 day cycle. Sites that die get pruned automatically, so what you can filter is what is actually for sale, in the condition described, this month.

1 · Discover

Query live inventory like a database. Category, metrics, price, offer shape.

$ GET /api/v1/sites?min_dr=40 $ GET /api/v1/categories $ GET /api/v1/publishers/acme-media

2 · Order

One POST with your target URLs, anchors, and the article inline. Anything that violates the offer comes back as a 422 your agent can act on.

$ POST /api/v1/orders 201 "status": "pending" 422 "code": "too_many_links"

3 · Track

Poll one endpoint for the full timeline, or register a webhook and we push every status change to you. Confirm delivery when the link is live, or let it auto-complete.

$ GET /api/v1/orders/:id "status": "published" "published_url": "https://…"

What the buy side gets

Verified metrics

DR, DA, organic traffic, referring domains, spam score, all pulled by us and re-checked every 30 days. You filter on our numbers, not the seller's claims.

LIVE

Strict order validation

The offer defines max links, content rules, and turnaround. Violations return stable machine codes, so an unattended agent can self-correct instead of silently failing.

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One pipeline, every publisher

Orders across every seller land in one place with the same lifecycle, same deadlines, same timeline. No per-publisher email threads to babysit.

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Content payloads included

Attach the article inline as markdown or HTML, up to 256 KB. We store it and hand it to the publisher with the order. No Google Doc permission dance.

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Accountability on record

Ignored orders expire and are recorded against the publisher. Late deliveries are stamped on the order. The flaky sellers reveal themselves.

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No developer required

Point your agent at our machine-readable spec and it teaches itself the whole marketplace: browsing, ordering, tracking. If you can brief an agent, you can run this.

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Order webhooks

Register a webhook URL and every order event arrives as a signed JSON payload the moment it happens. Polling stays available as the source of truth.

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Native MCP server

Add linkbuildingapi.com/mcp to Claude, Cursor, or any MCP client and your agent gets the whole marketplace as tools: searching, ordering, tracking, even fulfilling.

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First order in an afternoon

1

Give your agent access

Free account, then create an access key for your agent in Settings. The dashboard works for you the whole time too.

2

Set the budget and the niche

Category, minimum DR, maximum price, who writes the content. Your agent shops within the lines you draw.

3

Order, then relax

Your agent places the order with items and content, then polls or listens on a webhook until the live URL lands. Confirm and settle with the publisher directly.

Stop buying links
over DM.

your agent has been ready for this since last quarter.