# one-api

> one-api.ai is an OpenAI-compatible API with one key for DeepSeek V4.1 Flash, DeepSeek V4 Pro and GLM 5.3, plus four web lookups (page audit, domain RDAP brief, ads.txt and Tranco rank). Claude Haiku 5.5 and Grok 4.7 prices are published for comparison only. All prices are in US dollars, one credit is $0.001, and each price names its source and the date it was checked. Early access: billing is not open yet. Operated by WakeUp Plus LLC. Not affiliated with songquanpeng/one-api or Intel oneAPI.

Send Authorization: Bearer $ONE_API_TOKEN (or x-api-key: $ONE_API_TOKEN) on every POST below. With the OpenAI SDK, set base_url to https://one-api.ai/v1/launch.

## API

- POST https://one-api.ai/v1/launch/chat/completions
- POST https://one-api.ai/v1/page-audit
- POST https://one-api.ai/v1/domain-brief
- POST https://one-api.ai/v1/ads-txt
- POST https://one-api.ai/v1/rank
- POST https://one-api.ai/mcp

## Models

- DeepSeek V4.1 Flash (`@cf/deepseek-ai/deepseek-v4.1-flash-1017`, early access): Per 1M tokens: input $0.328, cached input $0.007, output $1.314 per 1M tokens. https://one-api.ai/models/deepseek-v4.1-flash
- DeepSeek V4 Pro (`@cf/deepseek-ai/deepseek-v4-pro-0813`, early access): Per 1M tokens: input $1.445, cached input $0.048, output $4.335 per 1M tokens. https://one-api.ai/models/deepseek-v4-pro
- GLM 5.3 (`@cf/zai-org/glm-5.3`, early access): Per 1M tokens: input $2.21, cached input $0.41, output $6.95 per 1M tokens. https://one-api.ai/models/glm-5.3
- Claude Haiku 5.5 (`anthropic/claude-haiku-5.5`, comparison only): Prompts up to 100,000 tokens, per 1M: input $0.121, cached input $0.012, output $0.605, cache write $0.151; Prompts over 100,000 tokens, per 1M: input $0.605, cached input $0.061, output $3.026, cache write $0.757 per 1M tokens. https://one-api.ai/models/claude-haiku-5.5
- Grok 4.7 (`xai/grok-4.7`, comparison only): Under 200k input tokens, per 1M: input $2.421, cached input $0.605, output $7.263; At or above 200k input tokens, per 1M: input $4.842, cached input $1.211, output $14.526 per 1M tokens. https://one-api.ai/models/grok-4.7

## Lookups

- Page audit API: POST https://one-api.ai/v1/page-audit with `{"url":"https://example.com/"}`. $0.001 per call. https://one-api.ai/page-audit
- Domain lookup API (RDAP + robots + sitemap): POST https://one-api.ai/v1/domain-brief with `{"domain":"example.com"}`. $0.001 per call. https://one-api.ai/domain-brief
- ads.txt and sellers.json checker API: POST https://one-api.ai/v1/ads-txt with `{"host":"example.com"}`. $0.001 per call. https://one-api.ai/ads-txt
- Tranco rank checker API: POST https://one-api.ai/v1/rank with `{"domain":"example.com"}`. $0.001 per call. https://one-api.ai/rank

## Pages

- [Home](https://one-api.ai/): One OpenAI-compatible API key for DeepSeek, GLM, Claude Haiku and Grok, plus page audit, RDAP, ads.txt and Tranco lookups. USD prices per 1M tokens, sourced.
- [Pricing](https://one-api.ai/pricing): Per-1M-token prices for DeepSeek V4.1 Flash, DeepSeek V4 Pro, GLM 5.3, Claude Haiku 5.5 and Grok 4.7, the Cloudflare list price, our markup, and $0.001 lookups.
- [Models](https://one-api.ai/models): Compare per-1M-token API prices for DeepSeek V4.1 Flash, DeepSeek V4 Pro, GLM 5.3, Claude Haiku 5.5 and Grok 4.7 with Cloudflare, official and hiapi prices.
- [DeepSeek V4.1 Flash](https://one-api.ai/models/deepseek-v4.1-flash): DeepSeek V4.1 Flash API: $0.328 per 1M input and $1.314 per 1M output tokens on an OpenAI-compatible endpoint. Price sources, cost examples and a curl request.
- [DeepSeek V4 Pro](https://one-api.ai/models/deepseek-v4-pro): DeepSeek V4 Pro API: $1.445 per 1M input and $4.335 per 1M output tokens, OpenAI-compatible. Compare with other posted prices and copy a working request.
- [GLM 5.3](https://one-api.ai/models/glm-5.3): GLM 5.3 API: $2.21 per 1M input and $6.95 per 1M output tokens via an OpenAI-compatible endpoint. See the Cloudflare list price, our markup and a curl example.
- [Claude Haiku 5.5](https://one-api.ai/models/claude-haiku-5.5): Claude Haiku 5.5 API: $0.121 per 1M input and $0.605 per 1M output tokens (short context). Price source, context tiers and a request example.
- [Grok 4.7](https://one-api.ai/models/grok-4.7): Grok 4.7 API: $2.421 per 1M input and $7.263 per 1M output tokens under 200k context. Price source, long-context tier and a request example.
- [Page audit](https://one-api.ai/page-audit): Audit a public URL in one API call: title, meta description, canonical, robots, headings, hreflang, JSON-LD and link counts as JSON. $0.001 per call.
- [Domain lookup](https://one-api.ai/domain-brief): Look up a domain's RDAP registration date, registrar and nameservers, plus its robots.txt and sitemap URL count, in one JSON call. $0.001 per call.
- [ads.txt checker](https://one-api.ai/ads-txt): Parse a site's ads.txt and sellers.json in one API call: publisher IDs, DIRECT or RESELLER, certification IDs and seller records as JSON. $0.001 per call.
- [Tranco rank](https://one-api.ai/rank): Check a domain's Tranco top-1M rank, list ID and list date in one API call. Domains not on the list return null. $0.001 per call, JSON output.
- [About](https://one-api.ai/about): one-api.ai is an OpenAI-compatible API service operated by WakeUp Plus LLC. How it works, what is live today, and how to request early access by email.
- [Contact](https://one-api.ai/contact): Email feng@wakeupplus.io about early access, billing, refunds, errors or abuse reports for one-api.ai. What to include so we can answer quickly.
- [Privacy](https://one-api.ai/privacy): What one-api.ai handles when you browse or call the API: key digests, IP addresses for rate limits, usage records, and payments processed by Stripe. No cookies.
- [Terms](https://one-api.ai/terms): Terms for one-api.ai: prepaid credits priced in USD, non-transferable and not redeemable for cash, acceptable use, early access and service limits.
- [Refund policy](https://one-api.ai/refund): Unused one-api.ai credits are refundable on request to the original payment method; used credits are not. How to ask for a refund and what to include.

## MCP

Remote MCP is POST https://one-api.ai/mcp (Streamable HTTP, JSON-RPC) with the same bearer token. Tools: page_audit, domain_brief, ads_txt, rank_check and complete_text. complete_text takes one of the allowlisted model ids above.

## Optional

- [Full text for LLMs](https://one-api.ai/llms-full.txt): every rate, request example, response field and policy in one file.
- Contact: feng@wakeupplus.io