gpt-5.5
Free text model
Unified AI API gateway
InferGate
One OpenAI-compatible endpoint for API keys, model access, usage records, and prepaid balance.
Current access
Start free. Unlock advanced models after a real top-up.
Model availability is account-specific. The Dashboard and GET /v1/models are authoritative at request time.
Free experience3 text models
gpt-5.4
Free text model
gpt-5.4-mini
Default quickstart model
After any real paymentImage + 5.6 series
gpt-image-2
Image generation
gpt-5.6-luna
Paid model access
gpt-5.6-sol
Paid model access
gpt-5.6-terra
Paid model access
Promotional credit
Up to $20 for an eligible new account
Promotional credit is subject to eligibility and abuse-prevention checks. It is not guaranteed for every registration and cannot be refunded, transferred, or withdrawn.
Read the Promotional Credit PolicyMaximum displayed offer$20 USD
EligibilitySecurity review applies
Cash valueNone
Operational controls
Built for repeatable API work
OpenAI-compatible API
Use familiar Responses and Chat Completions request shapes with one InferGate base URL.
API Key management
Create server-side credentials and review account activity without exposing keys in client applications.
Usage and balance tracking
See request records, model usage, quota, and prepaid balance in the Dashboard.
Prepaid billing
One-time top-ups only. There is no automatic renewal. Paid model access begins after payment is completed and credited.
Account security
Root accounts require MFA and can trust a verified device for up to 30 days. High-risk sign-ins require renewed verification.
Payment integrity
Signed webhooks and idempotent crediting help prevent duplicate settlement without exposing payment internals publicly.
Build with InferGate