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Quickstart

1. Create an API key

Section titled “1. Create an API key”

Sign in to the dashboard, open API Keys, and create a key. Store it in an environment variable; never commit it to source control.

2. Choose the protocol

Section titled “2. Choose the protocol”
Client Base URL Primary endpoint
OpenAI-compatible SDKs, Codex, Cline https://api.nexinfer.com/v1 /responses or /chat/completions
Claude Code, Anthropic SDK https://api.nexinfer.com /v1/messages

3. Verify authentication

Section titled “3. Verify authentication”
Terminal window
curl https://api.nexinfer.com/v1/models \
  -H "Authorization: Bearer $NEXINFER_API_KEY"

A 200 response confirms the base URL and key. A 401 means the key or header is wrong. A model missing from the list may be unavailable to that key.

4. Make a request

Section titled “4. Make a request”
Terminal window
curl https://api.nexinfer.com/v1/responses \
  -H "Authorization: Bearer $NEXINFER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"YOUR_MODEL_ID","input":"Reply with OK."}'

Copy the exact model ID from the dashboard. Do not guess aliases.