Synthetic
Synthetic exposes Anthropic-compatible endpoints. OpenClaw registers it as thesynthetic provider and uses the Anthropic Messages API.
Quick setup
- Set
SYNTHETIC_API_KEY(or run the wizard below). - Run onboarding:
Config example
/v1 to the base URL, so use
https://api.synthetic.new/anthropic (not /anthropic/v1). If Synthetic changes
its base URL, override models.providers.synthetic.baseUrl.
Model catalog
All models below use cost0 (input/output/cache).
Notes
- Model refs use
synthetic/<modelId>. - If you enable a model allowlist (
agents.defaults.models), add every model you plan to use. - See Model providers for provider rules.