# API index — Gökhan Turhan

> Documentation for every API the Numetal and Gökhan Ventures products ran, as of 2026-11-09. Documentation only: nothing here proxies calls or accepts payment. Do not send payments to any endpoint listed here.

The products themselves are archived at https://gokhanturhan.com/products/. Each API below has a page with its endpoints as published, its status on the as-of date, and links to frozen specifications where one existed.

## Machine-readable

- [apis.json](https://api.gokhanturhan.com/apis.json): register of every API (slug, name, former base, interface, status, endpoints, product page, frozen specs)
- [openapi.json](https://api.gokhanturhan.com/openapi.json): OpenAPI 3.1 description of this index; links frozen per-API specs under x-archived-specs
- [sitemap.xml](https://api.gokhanturhan.com/sitemap.xml): every page on this host

## Views

- [x402 manifests](https://api.gokhanturhan.com/x402/): frozen payment manifests, wrapped as archived. Do not pay.
- [MCP servers](https://api.gokhanturhan.com/mcp/): former MCP servers, listed for the record. Do not install.
- [Retired endpoints](https://api.gokhanturhan.com/retired/): what retired endpoints return (410 Gone) and where each product now lives

## APIs: Answering normally (live)

- [Newsletter (email + XMTP)](https://api.gokhanturhan.com/newsletter/): REST · HMAC links. Product page: https://gokhanturhan.com/gokhan-vc/api/. Former base: api.gokhan.vc/newsletter.
- [CURB clearing API](https://api.gokhanturhan.com/curb/): REST · OpenAPI 3 · MCP · skill · x402. Product page: https://gokhanturhan.com/curb/. Former base: curb.numetal.xyz (+ api.curb.numetal.xyz). Frozen OpenAPI: https://api.gokhanturhan.com/curb/openapi.json.
- [CURB harness, buyer and seller agents](https://api.gokhanturhan.com/curb-agents/): HTTP agents. Product page: https://gokhanturhan.com/curb/harness/. Former base: harness.curb · buyer.curb · seller.curb .numetal.xyz.
- [Launch router](https://api.gokhanturhan.com/launch/): REST · OpenAPI 3 · MCP · x402 · MPP. Product page: https://gokhanturhan.com/launch/. Former base: launch.numetal.xyz. Frozen OpenAPI: https://api.gokhanturhan.com/launch/openapi.json.
- [Accumulator waitlist + wishlist](https://api.gokhanturhan.com/accumulator/): JSON. Product page: https://gokhanturhan.com/accumulator/. Former base: accumulator.numetal.xyz.
- [APEX Protocol](https://api.gokhanturhan.com/apex/): llms.txt. Product page: https://gokhanturhan.com/apex/. Former base: apex.numetal.xyz.
- [XMTP bot](https://api.gokhanturhan.com/xmtp/): bot endpoint. Product page: https://gokhanturhan.com/gokhan-vc/api/. Former base: xmtp-bot.gokhan.vc.

## APIs: Partly answering (degraded)

- [Estate gateway (feedhub)](https://api.gokhanturhan.com/feedhub/): REST · OpenAPI 3 · RSS/JSON Feed. Product page: https://gokhanturhan.com/gokhan-vc/api/. Former base: api.gokhan.vc. Frozen OpenAPI: https://api.gokhanturhan.com/feedhub/openapi.json.
- [Ishtar API](https://api.gokhanturhan.com/ishtar/): REST · OpenAPI 3 · MCP · skill · x402. Product page: https://gokhanturhan.com/ishtar/. Former base: api.ishtar.numetal.xyz. Frozen OpenAPI: https://api.gokhanturhan.com/ishtar/openapi.json.
- [Numetal fees and burns](https://api.gokhanturhan.com/numetal-fees/): JSON. Product page: https://gokhanturhan.com/numetal/. Former base: numetal.xyz/fees.
- [Numetal status](https://api.gokhanturhan.com/status/): JSON · HTML. Product page: https://gokhanturhan.com/numetal/status/. Former base: status.numetal.xyz.
- [Plaintext board](https://api.gokhanturhan.com/plaintext/): REST · MCP · skill · RSS. Product page: https://gokhanturhan.com/plaintext/. Former base: plaintext.numetal.xyz.
- [Personal Jesus waitlist](https://api.gokhanturhan.com/jesus/): form POST. Product page: https://gokhanturhan.com/jesus/. Former base: jesus.numetal.xyz.
- [LLMCraft waitlist](https://api.gokhanturhan.com/llmcraft/): form. Product page: https://gokhanturhan.com/llmcraft/. Former base: llmcraft.numetal.xyz.
- [Asset host](https://api.gokhanturhan.com/assets/): static files. Product page: https://gokhanturhan.com/numetal/. Former base: assets.numetal.xyz.

## APIs: Retired (retired)

- [x402 live panel](https://api.gokhanturhan.com/x402-live/): HTML/JSON panel. Product page: https://gokhanturhan.com/gokhan-vc/. Former base: gokhan.vc/x402-live/.

## Optional

- [gokhanturhan.com llms.txt](https://gokhanturhan.com/llms.txt): the main site, products, journal and CV
- [Journal RSS](https://gokhanturhan.com/rss.xml): the one feed for gokhanturhan.com
- [CV (markdown)](https://gokhanturhan.com/cv.md)