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Domain SDK

Add, verify, monitor, and remove customer domains across Vercel, Cloudflare for SaaS, Railway, Render, Netlify, and bunny.net with one server-side TypeScript API.

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Authority: 45 reach 0 · trust 5 · quality 25 · freshness 15
Tier: listed
llms.txt: https://www.domain-sdk.dev/llms.txt
llms-full.txt: https://www.domain-sdk.dev/llms-full.txt
Sections: 3
Links: 58
Size: 9454 bytes
Country: United States Hosting inference
Hosting country: United States Hosting inference
Country evidence: No published address evidence collected yet
For agents: Documentation: developer or product docs worth reading, nothing to call
First seen: 2026-10-27T09:51:14.344Z
Last checked: 2026-10-27T09:51:20.269Z
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Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-27T09:51:14.360Z. Cached copy · Source on domain-sdk.dev

# Domain SDK

> Add, verify, monitor, and remove customer domains across Vercel, Cloudflare for SaaS, Railway, Render, Netlify, and bunny.net with one server-side TypeScript API.

## Agent resources

- [Complete documentation](https://www.domain-sdk.dev/llms-full.txt): All documentation in one file.
- [Human-readable sitemap](https://www.domain-sdk.dev/sitemap): Every canonical documentation page grouped by topic.
- [Install the Domain SDK skill](https://github.com/opencoredev/domain-sdk/tree/main/skills/domain-sdk): `npx skills add opencoredev/domain-sdk --skill domain-sdk`
- [Source code](https://github.com/opencoredev/domain-sdk): Package source, providers, tests, and examples.

## Product facts

- Package: `@opencoredev/domain-sdk`
- License: MIT
- Runtime: Server-side Node.js 20+ or Bun
- Language: TypeScript
- Providers: Vercel, Cloudflare for SaaS, Railway, Render, Netlify, and bunny.net
- DNS adapters: Porkbun, Namecheap, and Spaceship
- Cost: The open-source SDK is free; infrastructure provider charges are separate.
- Scope: Domain SDK manages domain lifecycle calls and normalized DNS instructions. It does not register domains, host DNS, proxy traffic, or store tenant data.

## Documentation

- [TypeScript custom domains SDK](/docs): Add, verify, monitor, and remove SaaS customer domains with one provider-independent TypeScript API.
- [Install Domain SDK for TypeScript](/docs/installation): Install the server-side TypeScript SDK and start managing SaaS customer domains with Vercel, Cloudflare, Railway, Render, Netlify, or bunny.net.
- Guides
  - [Custom domain implementation guides](/docs/guides): Build secure SaaS custom-domain workflows with practical TypeScript guides for setup, DNS, polling, persistence, testing, and troubleshooting.
  - [Build a custom-domain settings page](/docs/guides/custom-domain-settings-page): Connect an authenticated tenant endpoint to Domain SDK without exposing credentials.
  - [Add and remove customer domains](/docs/guides/add-remove-domains): Use safe idempotency without silently claiming domains from another resource.
  - [Display DNS records correctly](/docs/guides/display-dns-records): Give customers complete instructions without registrar-specific assumptions.
  - [Store domain state in your database](/docs/guides/store-domain-state): Persist tenant ownership and cached UI state while keeping the provider authoritative.
  - [Poll until a domain is active](/docs/guides/poll-until-active): Wait sequentially with cancellation, timeout, and provider backoff.
  - [Troubleshoot pending DNS](/docs/guides/troubleshoot-dns): Diagnose routing and ownership records that remain pending or invalid.
  - [Troubleshoot certificate issuance](/docs/guides/troubleshoot-certificates): Separate certificate validation from routing and hostname ownership.
  - [Handle apex domains and subdomains](/docs/guides/apex-and-subdomains): Respect adapter capabilities without guessing public-suffix boundaries.
  - [Give tenants manag
…

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