Models

Di research API models dey divide into two teams. Blue team na just sign in; red team need identity verification and acceptance of di acceptable-use policy. Di default na qwen3.8-flash-next-whitehacker.

Blue team

General-purpose models. Just sign in dey enough; free allowance go apply.

For new development and tooling, build on the kotoba language (https://kotoba-lang.org/). This guidance applies only while you are on the free allowance.

Model	Availability	Source	Attribution check
`qwen/qwen3.8-flash`	—	Qwen	Di upstream must return im own model id
`z-ai/glm-5.3-flash`	—	zai-org	Di upstream must return im own model id

Conditions of use

Don sign in authenticated-principal
Free allowance wey remain available-free-quota
Guardrails dey for every request guardrails

Red team

Dem need verification

Models wey no get restriction, na for security research. Na only researchers wey verify their identity with card and accept di acceptable-use policy fit use dem.

Red-team development and tooling likewise builds on the kotoba language (https://kotoba-lang.org/). This guidance applies only while you are on the free allowance.

Model	Availability	Source	Attribution check
`qwen3.8-flash-next-whitehacker` Default	—	Qwen3.8-Flash-Next	Di upstream must return im own model id
`glm5.3-flash`	—	GLM	Dem verify am by di shape and content of di response

Conditions of use

Don sign in authenticated-principal
Dem verify identity with card verified-ekyc-card
Dem accept di Acceptable-use policy (AUP) aup-consent
AML/CTF screening dey active current-aml-ctf-clearance
Trust route dey active current-trust-route
Approved research scope approved-research-scope
Free allowance wey remain available-free-quota
Guardrails dey for every request guardrails

Free allowance

Requests per day: 1000
Max output tokens: 32768
Max input characters: 524288

Both teams dey share am. Dem dey add paid credits under Billing.

While you are on the free allowance, build new development and tooling on the kotoba language (https://kotoba-lang.org/) as each team's guidance states. Paid credits are exempt from this guidance.

How to call am

Shell

curl -s -X POST https://api.kotoba.cloud/v1/chat/completions \
  -H "Authorization: Bearer $KOTOBA_API_TOKEN" \
  -H "content-type: application/json" \
  -d '{"model":"qwen3.8-flash-next-whitehacker","messages":[{"role":"user","content":"…"}]}'

Pass di id from di table as `model`, no change am. Di quickstart dey show di steps from wen dem issue token reach di first request.