API reference

OpenAI-compatible. Base URL https://api.qyn.io/v1. All requests authenticate with a Bearer key (qyn-live-…).

POST /v1/chat/completions

Create a chat completion. Streaming is not enabled yet — always send "stream": false.

Request body

Field	Type	Notes
model	string	Required. Catalog id, e.g. openai/gpt-6-astra
messages	array	Required. OpenAI message objects (system supported; Anthropic models translate automatically)
max_tokens	integer	Optional; mapped to max_completion_tokens for newer OpenAI models
temperature, top_p, stop	—	Passed through
stream	boolean	Must be false

Response

Standard OpenAI chat completion, with two extra fields on usage: cost_cents (what this call cost) and balance_remaining_cents (your balance after it).

{
  "id": "chatcmpl-…",
  "object": "chat.completion",
  "model": "anthropic/claude-sonnet-5",
  "choices": [{ "index": 0, "message": { "role": "assistant", "content": "…" }, "finish_reason": "stop" }],
  "usage": { "prompt_tokens": 13, "completion_tokens": 4, "total_tokens": 17,
             "cost_cents": 0.0072, "balance_remaining_cents": 99.99 }
}

GET /v1/models

Returns the live catalog with per-model pricing (pricing.prompt_per_1m / completion_per_1m, USD).

Errors

Status	Type	Meaning
401	invalid_api_key	Missing or unknown key
402	insufficient_credits	Balance empty — deposit USDG to top up
400	unknown_model / invalid_request	Bad model id or body
502	upstream_error	The provider failed; you are not billed

Keys & deposits

Endpoint	Purpose
GET /get-key	Start an accountless key session (unique deposit amount)
POST /api/claim	{"session": "…", "txHash": "0x…"} — claim a confirmed deposit instantly
GET /d/<token>	Permanent key dashboard (balance, usage, top-up)
GET /login	Wallet sign-in (SIWE) for multi-key accounts

Model catalog & pricing

Model	Input / 1M	Output / 1M
openai/gpt-6-astra	$3	$15
anthropic/claude-fable-5-1	$3	$15
anthropic/claude-opus-5	$3	$15
anthropic/claude-sonnet-5	$1.2	$6
anthropic/claude-sonnet-4.6	$1.8	$9
openai/gpt-5.6-sol	$1.2	$6
openai/gpt-5	$0.75	$6
google/gemini-3.8-flash	$0.45	$2.25
deepseek/deepseek-v4-pro	$0.63	$1.89
zai/glm-5.3	$0.84	$2.64
meta/llama-4-maverick	$0.12	$0.42
openai/gpt-5-mini	$0.225	$1.8
openai/gpt-4o-mini	$0.135	$0.54
anthropic/claude-haiku-4.5	$0.9	$4.5
moonshotai/kimi-k2.6	$0.71	$3.33
qwen/qwen3-coder	$0.285	$0.95
zai/glm-4.7	$0.38	$1.66
deepseek/deepseek-v3.2	$0.256	$0.38
openai/gpt-oss-120b	$0.067	$0.285
meta/llama-3.3-70b-instruct	$0.095	$0.304

0% platform fees on everything above. Deposits settle in USDG on Robinhood Chain (chain ID 4663).