CenturyLink (Lumen Technologies) · Rate Limits

Centurylink Rate Limits

Lumen does not publish numeric rate limits on its enterprise Developer Center or API Marketplace. Limits are governed by partner contracts and OAuth client configuration; consumers should expect throttling and use exponential backoff. Authentication is OAuth 2.0 Client Credentials with administrator-enabled client IDs.

2 Limits Throttle: 429
Rate LimitingTelecomNetwork

Limits

Lumen API Marketplace (per OAuth client) oauth_client
varies
see partner agreement / OAuth client configuration
Public Sector API Center (per agency contract) contract
varies
see public sector contract

Policies

OAuth 2.0 Client Credentials
All Lumen APIs require OAuth 2.0 Client Credentials. Tokens are obtained from the partner developer portal and scoped to enabled APIs.
Backoff Strategy
Use exponential backoff with jitter on 429 and 503 responses; honor Retry-After headers when present.
Partner enablement
Specific APIs must be administrator-enabled per partner before tokens can call them; unauthorized calls return 401/403.

Sources