WellSaid Labs · Rate Limits

Wellsaid Rate Limits

The WellSaid Labs API enforces per-account rate limiting on text-to-speech render endpoints, returning HTTP 429 when limits are exceeded. Each render request is bounded to 1,000 characters of input text. Specific per-account requests-per-minute / concurrency limits and any per-tier render quotas are not publicly documented and vary by plan and Enterprise agreement; they are not reconciled in this artifact.

Wellsaid Rate Limits is the machine-readable rate-limit profile for WellSaid Labs on the APIs.io network, in the API Commons Rate Limits shape.

It captures 3 rate-limit definitions, measuring requests, concurrent_requests, and characters.

An exhausted limit returns HTTP 429.

This profile was written by API Evangelist and has not been verified against a page the provider published; treat every limit as unconfirmed until a dated transcription replaces it.

The profile also includes 2 backoff/retry policies defined and response codes documented for throttled.

Tagged areas include AI, Text to Speech, Voice, Audio, and TTS.

3 Limits Exhausted: HTTP 429
Method: generated, dated 2026-06-21.
Written by API Evangelist on 2026-06-21 and not verified against a page the provider published. Treat every limit as unconfirmed until a dated transcription replaces it.
View Source
AIText to SpeechVoiceAudioTTSRate LimitingQuotasThrottling

Limits

Requests Per Minute account
requests
see provider documentation
Per-account request rate limiting; exact value not publicly documented.
Concurrent Renders account
concurrent_requests
see provider documentation
Concurrency limit on simultaneous TTS renders; varies by plan.
Input Characters Per Request request
characters
1000
Each render request accepts 1-1000 characters of input text.

Policies

Tiered Limits
Limits and render quotas vary by subscription tier and Enterprise agreement.
Backoff Strategy
Clients should implement exponential backoff with jitter on HTTP 429 responses.

Sources

Work with this as data

Every rate limit here is available over the APIs.io API and to AI agents over MCP.

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Tools for rate limits

4 MCP tools reach this
  • find_rate_limitsBrowse and filter every rate limit in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
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Call it yourself

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This rate limit 
curl "https://apis.io/api/v1/rate-limits/wellsaid-rate-limits"
All rate limits 
curl "https://apis.io/api/v1/rate-limits?limit=25"

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