specification: API Commons Rate Limits specificationVersion: '0.1' schema: https://raw.githubusercontent.com/api-evangelist/interface-research/main/schema/api-commons.yml#/$defs/RateLimits provider: Spline providerId: spline created: '2026-05-08' # Provenance stamped 2026-08-11: this artifact was written by the API Evangelist # bulk sweep dated 2026-05-08, not harvested from the provider. See roadmap#35. method: generated modified: '2026-05-08' reconciled: false tags: - 3D - Design - AI - Collaboration - Web - Rate Limiting - Quotas - Throttling description: >- Spline does not publish a public REST API for 3D generation, so per-RPS rate limits do not apply. SDK code APIs and webhooks are governed by the user's plan-based AI credit allowances and project export limits. notes: Re-research Spline once a public REST generation API ships. sources: - https://docs.spline.design/ responseCodes: throttled: 429 limits: - name: AI Credits (Plan-Based) scope: account metric: ai_credits limit: see plan tier notes: AI generation features are gated by per-plan credit allowances. - name: SDK Embed Usage scope: account metric: scenes limit: see plan tier policies: - name: Backoff Strategy description: Clients embedding Spline scenes via SDK should retry with exponential backoff on transient load. - name: Plan Choice description: Choose Super / Team / Enterprise based on AI credit and seat needs. maintainers: - FN: Kin Lane email: kin@apievangelist.com