# Docs > Get a key, make a first call, build with your AI. Guides, platform references and the API reference for Build by SellerMate. Call shape (v1): POST https://build-api.sellermate.ai/v1/tools/{name} with an X-API-Key header and a JSON body. Writes exist on Amazon only; every other platform is read-only. Tool names are in https://build.sellermate.ai/openapi.json. ## Get started - [What Build is](https://build.sellermate.ai/docs/get-started/what-build-is.md): Build is one API for marketplace and ad data, with the same call shape and field names on every platform. - [Get a key](https://build.sellermate.ai/docs/get-started/get-a-key.md): Create a Build account, choose what a key can reach, and keep it in your tool's secrets. - [First call in 60 seconds](https://build.sellermate.ai/docs/get-started/first-call.md): Make a first real call to Build with the sandbox key or your own, and read the answer. ## Build with your AI - [Claude Code](https://build.sellermate.ai/docs/build-with-your-ai/claude-code.md): Point Claude Code at the Build docs and your key, paste one sentence, and let it write the call. - [Cursor](https://build.sellermate.ai/docs/build-with-your-ai/cursor.md): Point Cursor at the Build docs and your key, paste one sentence, and let it write the call. - [Lovable](https://build.sellermate.ai/docs/build-with-your-ai/lovable.md): Point Lovable at the Build docs and your key, paste one sentence, and let it write the call. - [n8n](https://build.sellermate.ai/docs/build-with-your-ai/n8n.md): Point n8n at the Build docs and your key, paste one sentence, and let it write the call. - [Zapier](https://build.sellermate.ai/docs/build-with-your-ai/zapier.md): Point Zapier at the Build docs and your key, paste one sentence, and let it write the call. ## Platforms - [Amazon](https://build.sellermate.ai/docs/platforms/amazon.md): Seller, Vendor, Ads, DSP and AMC under one key, with every data set, its status and its freshness. - [Google Ads](https://build.sellermate.ai/docs/platforms/google-ads.md): Client and manager accounts under one consent, read-only, with campaigns, search terms and conversions next to your Amazon numbers. - [Walmart](https://build.sellermate.ai/docs/platforms/walmart.md): Walmart is coming soon to Build: Marketplace orders, stock and returns, and Walmart Connect ads, under the same field names as Amazon. - [Flipkart](https://build.sellermate.ai/docs/platforms/flipkart.md): Flipkart is planned for Build: orders, settlements, returns and stock for sellers, under the same field names as Amazon. - [TikTok Shop](https://build.sellermate.ai/docs/platforms/tiktok-shop.md): TikTok Shop is planned for Build: orders, stock, returns and creator sales under the same field names as Amazon. - [Meta Ads](https://build.sellermate.ai/docs/platforms/meta-ads.md): Meta Ads is planned for Build: Facebook and Instagram spend and results next to Amazon, under the same field names. ## Recipes - [Reporting](https://build.sellermate.ai/docs/recipes/reporting.md): Send spend, sales and ACoS to the people who need them, on a schedule, from your AI tool. - [Wasted spend](https://build.sellermate.ai/docs/recipes/wasted-spend.md): Find search terms that spend and never sell, list them every week, and add negatives after you approve. - [Launches](https://build.sellermate.ai/docs/recipes/launches.md): Follow a new ASIN from sales to stock on one page that refreshes every morning. - [Inventory](https://build.sellermate.ai/docs/recipes/inventory.md): Work out days of stock per SKU, alert before you run out, and pause ads on Amazon when stock is low. - [Agency ops](https://build.sellermate.ai/docs/recipes/agency-ops.md): Rank clients by what needs attention, watch budget pacing, check connections and audit a new account. ## Guides - [Workspaces and accounts](https://build.sellermate.ai/docs/guides/workspaces-and-accounts.md): How Build groups your marketplace and ad accounts, and how to connect several of them. - [Keys and scopes](https://build.sellermate.ai/docs/guides/keys-and-scopes.md): How a Build key authenticates, what it can reach, and how to revoke or rotate it. - [Plans and limits](https://build.sellermate.ai/docs/guides/plans-and-limits.md): What each Build plan includes: accounts, data retention and requests per minute. - [Writes and guardrails](https://build.sellermate.ai/docs/guides/writes-and-guardrails.md): How changes to an Amazon account work on Build: caps, a dry run, idempotency keys, a 24 hour undo and an audit log. - [Webhooks](https://build.sellermate.ai/docs/guides/webhooks.md): Webhooks are coming soon; until then, poll a tool and read data_as_of. ## API reference - [API reference overview](https://build.sellermate.ai/docs/api-reference/overview.md): Every Build tool is one POST with a JSON body, the same fields on every platform, and an X-API-Key header. - [get_campaign_performance](https://build.sellermate.ai/docs/api-reference/get-campaign-performance.md): Spend, clicks, orders, sales and ACoS for each campaign over a date range, in the same fields on Amazon and Google Ads. - [get_search_term_performance](https://build.sellermate.ai/docs/api-reference/get-search-term-performance.md): Search terms with their clicks, spend and orders over a date range, on Amazon and Google Ads. - [get_orders_report](https://build.sellermate.ai/docs/api-reference/get-orders-report.md): Orders and units for an Amazon Seller account over a date range. - [get_inventory](https://build.sellermate.ai/docs/api-reference/get-inventory.md): Stock and inbound units for an Amazon account. - [update_target](https://build.sellermate.ai/docs/api-reference/update-target.md): Change a target on an Amazon Ads account, behind caps, a dry run and undo. ## Trust - [Trust](https://build.sellermate.ai/docs/trust.md): What Build claims today about keys, writes, credentials and data, and nothing more. ## Changelog - [Changelog](https://build.sellermate.ai/docs/changelog.md): What changed in Build, newest first. Breaking changes are announced here. ## For AIs - [llms.txt](https://build.sellermate.ai/llms.txt): Page list with summaries. - [llms-full.txt](https://build.sellermate.ai/llms-full.txt): Every page as Markdown, in one file. - [openapi.json](https://build.sellermate.ai/openapi.json): Tools, fields and errors. - [SKILL.md](https://build.sellermate.ai/SKILL.md): How an agent should use Build.