Claude Opus 5.5 is live on SeedRouter
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One address reaches the people who build SeedRouter. Write to us about a model you need, a billing question, an integration problem or a security report.

Email[email protected]

We read everything that arrives here and answer in English or Chinese.

What to write about

01

Models

A model you want on SeedRouter, or a question about what a model supports.

02

Billing

Top-ups, balance, invoices, or a charge that looks wrong.

03

Integration

Trouble moving an existing integration over, or a request that does not behave as you expect.

04

Security

A leaked key, a suspected vulnerability, or anything that needs attention now. Put SECURITY in the subject line.

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Include your account email, the model you called, the time of the request and what you expected to happen. Do not send us your API key or any password.