Meituan

LongCat 2.0 API

LongCat 2.0 by Meituan through the RelaySwitch API: $3.00 per million input tokens, $11.8002 per million output tokens. Pay by card or crypto (Card, USDT, USDC, BTC, ETH, SOL). No KYC.

Input / M$3.00per million tokens
Cached input / M$0.06per million tokens
Output / M$11.8002per million tokens

Specs

Model id
longcat-2.0
Developer
Meituan
Context window
not published
Max output
not published
Input
text

Call it

bash
1curl https://api.relayswitch.io/v1/chat/completions \
2 -H "Authorization: Bearer $RELAYSWITCH_KEY" \
3 -H "Content-Type: application/json" \
4 -d '{
5 "model": "longcat-2.0",
6 "messages": [{"role": "user", "content": "Hello"}]
7 }'

Any OpenAI SDK works: set the base URL to https://api.relayswitch.io/v1 and the model to longcat-2.0. Get a key or read the docs.

LongCat 2.0 API key and pricing

One key covers LongCat 2.0 and every other model in the catalog. Open the console with an email address, top up from $10 by card or in USDT, USDC, BTC, ETH, SOL, create a key, and send longcat-2.0 as the model. No identity check, no subscription; the balance moves only when you call.

A chat turn$0.01192K tokens in, 500 tokens out
A long document$0.173650K tokens in, 2K tokens out
A million tokens$7.4001500K in, 500K out

Costs at the live rates above; input and output billed separately, per token, from the prepaid balance.

FAQs

LongCat 2.0: questions

Payment, keys and billing in short.

Open the console

A key in under a minute

Get a key

Or email hello@relayswitch.io

Run LongCat 2.0 today

Top up by card or crypto and send "longcat-2.0".