Resemble AI

Best for: Regulated or enterprise workloads - compliance attestations and an enterprise plan; AI agents and automation - an agent-ready surface (MCP / llms.txt); Teams needing broad API coverage out of the box

Avoid if: You want to try it free before paying

Pricing model

Usage-based [2]resemble.ai/pricing“Flex Plan: $0 to start. Credits never expire.”resemble.ai/pricing“Pay per consumption based on usage. Text-to-Speech: $0.0005/second”

Published pricing

✓ Yes [3]resemble.ai/pricing“Text-to-speech: $0.0005/second”

Free tier

✗ No [4]resemble.ai/pricing“Pay per consumption based on usage. Starting at $0 to start. No recurring free-character allowance; pay-as-you-go only.”

Self-serve signup

✓ Yes

Requires sales call

✗ No

Enterprise plan

✓ Yes [5]resemble.ai/pricing“Enterprise Plan. Custom pricing with Volume discounts up to 80%. Higher concurrency limits, enterprise SLAs and SOC 2, custom model training, SSO/SAML authentication, dedicated support, on-premise deployment.”

• Real-time streaming
• Voice cloning
• Voice design
• SSML control
• Multilingual voices
• Word timestamps

Supported actions

synthesize_speech, streaming_tts_http, streaming_tts_websocket, instant_voice_cloning, professional_voice_cloning, voice_design, ssml_support, speech_to_speech, multilingual_synthesis, audio_timestamps, custom_pronunciation, emotion_control, audio_watermarking, deepfake_detection, hd_synthesis [6]docs.resemble.ai/voice-generation/text-to-speech/streaming-websocket“Clients maintain a persistent WebSocket connection at wss://websocket.cluster.resemble.ai/stream”docs.resemble.ai/api-reference/text-to-speech“Generate speech synchronously from text or SSML. Returns complete audio as base64.”

Languages

English, Spanish, French, German, Arabic, Portuguese, Russian, Turkish, Italian, Danish, Finnish, Japanese, Korean, Mandarin, Dutch, Slovak, Swedish, Vietnamese, Norwegian, Polish, Swahili, Hindi, Hebrew, 100 languages and regional dialects total on managed platform (23 with full voice cloning) [7]resemble.ai/products/text-to-speech“100 languages and regional dialects on the managed platform. 23 languages with full voice cloning capability (English, Spanish, French, German, Arabic, Portuguese, Russian, Turkish, Italian, Danish, Finnish, Japanese, Korean, Mandarin, Dutch, Slovak, Swedish, Vietnamese, Norwegian, Polish, Swahili, Hindi, Hebrew)”

Input types

plain text, SSML

Output types

wav, mp3, pcm_16, pcm_24, pcm_32, mulaw, streaming chunks [8]docs.resemble.ai/api-reference/text-to-speech“Formats: WAV and MP3. Audio precision: MULAW, PCM_16, PCM_24, PCM_32 (default). Sample rates: 8000, 16000, 22050, 32000, 44100, and 48000 Hz.”

Webhooks

✗ No

Sandbox / test mode

✗ No

SDK languages

Node.js, Python

MCP server

✓ Yes [9]resemble.ai/products/text-to-speech“MCP for Cursor & Claude Code”github.com/resemble-ai/resemble-mcp“Official MCP server for Resemble AI — vibe code with instant API docs in your coding assistant (Cursor, Claude Code, etc.)”

SOC 2

In progress [10]trust.resemble.ai“Resemble AI is currently in our SOC 2 Type 2 observation period. Our full audit report is expected to be available in August 2026.”

HIPAA

✓ Yes [11]trust.resemble.ai“Resemble AI is HIPAA compliant, maintaining the safeguards required to handle protected health information responsibly.”

GDPR

✓ Yes [12]trust.resemble.ai“Resemble AI is fully GDPR compliant, with clear data processing practices and privacy-by-design principles built into our platform.”

ISO 27001

✗ No [13]trust.resemble.ai“We are actively undergoing ISO 27001 certification and expect to be certified by the end of July 2026.”

PCI DSS

✗ No [14]trust.resemble.ai“PCI DSS not mentioned on the trust page. Trust page covers SOC 2, ISO 27001, GDPR, and HIPAA only.”

Published SLA

✗ No [15]resemble.ai/pricing“Enterprise Plan includes enterprise SLAs and SOC 2”trust.resemble.ai“No formal uptime SLA percentage published on the public trust page. Enterprise SLAs are referenced as a feature of the Enterprise plan.”

Rate limits

40 requests per second per API token (public REST API); Audio Enhancement endpoint: 10 requests per minute; WebSocket streaming: up to 20 simultaneous sessions across the cluster and 20 parallel connections per API key; Synchronous TTS: max 3,000 characters per request; HTTP streaming TTS: max 2,000 characters per request. [16]docs.resemble.ai/voice-generation/text-to-speech/streaming-websocket“up to 20 simultaneous sessions across the cluster and 20 parallel connections per API key”docs.resemble.ai/getting-started/rate-limits“40 requests per second per API token for the public REST API. Audio Enhancement endpoint (/api/v2/audio_enhancements): 10 requests per minute.”

Known restrictions

WebSocket streaming API requires Business plan or above, Synchronous TTS max 3,000 characters per request, HTTP streaming TTS max 2,000 characters per request, WebSocket streaming: max 20 simultaneous sessions per cluster and 20 parallel connections per API key, Chatterbox open-source model is MIT-licensed (self-hosted); managed API is separately priced, Voice cloning requires user consent per terms of service, SOC 2 Type 2 audit report not yet available (expected August 2026), ISO 27001 certification not yet complete (expected July 2026) [17]docs.resemble.ai/api-reference/text-to-speech“Text or SSML to synthesize (max 3,000 characters)”docs.resemble.ai/voice-generation/text-to-speech/streaming-websocket“This API is available to Business plans and above.”

• Docs
• API reference
• llms.txt
• Changelog
• Status page

Docs rendering: static · llms.txt present

API style

rest

Base URL

https://app.resemble.ai/api/v2

Version

v2

Versioning

url

Stability

ga

Auth methods

api_key

Error format

vendor-specific

Rate limit

40 / second

SDKs

• Node.js @resemble/node · repo
• Python resemble · repo

• Auth docs
• Quickstart
• MCP server
• Webhook events

Launched

2019-01-01

Notable customers

Netflix, Telnyx, Paramount, Deutsche Telekom, World Bank, Axel Springer

• ElevenLabs Text to Speech

  "Text to Speech with high quality, human-like AI voices"

  Hybrid · free tier · public pricing · self-serve

• Azure AI Text to Speech

  "Text to speech enables your applications, tools, or devices to convert text into human like synthesized speech. The text to speech capability is also known as speech synthesis. Use human like standard voices out of the box, or create a custom voice that's unique to your product or brand."

  Usage · free tier · public pricing · self-serve

• Amazon Polly

  "Amazon Polly is a cloud service that converts text into lifelike speech. You can use Amazon Polly to develop applications that increase engagement and accessibility."

  Usage · free tier · public pricing · self-serve

• Google Cloud Text-to-Speech

  "Cloud Text-to-Speech converts text or Speech Synthesis Markup Language (SSML) input into audio data of natural human speech."

  Usage · free tier · public pricing · self-serve

• Cartesia (Sonic)

  "The fastest and most natural text to speech model"

  Hybrid · free tier · public pricing · self-serve

• Murf AI

  "Enterprise-grade AI voice generation with 150+ natural-sounding voices across 35 languages and 20+ speaking styles."

  Usage · public pricing · self-serve

Resemble AI alternatives · Resemble AI vs ElevenLabs Text to Speech · All Text-to-Speech APIs APIs

Each field above carries a numbered source - hover for a preview, click to jump here.

1. ↑Description: resemble.ai
2. ↑Pricing model: resemble.ai · resemble.ai
3. ↑Published pricing: resemble.ai
4. ↑Free tier: resemble.ai
5. ↑Enterprise plan: resemble.ai
6. ↑Supported actions: docs.resemble.ai · docs.resemble.ai
7. ↑Languages: resemble.ai
8. ↑Output types: docs.resemble.ai
9. ↑MCP server: resemble.ai · github.com
10. ↑SOC 2: trust.resemble.ai
11. ↑HIPAA: trust.resemble.ai
12. ↑GDPR: trust.resemble.ai
13. ↑ISO 27001: trust.resemble.ai
14. ↑PCI DSS: trust.resemble.ai
15. ↑Published SLA: resemble.ai · trust.resemble.ai
16. ↑Rate limits: docs.resemble.ai · docs.resemble.ai
17. ↑Known restrictions: docs.resemble.ai · docs.resemble.ai

Every field change, who made it, and when - from our audited data pipeline and editors.

1. 2026-06-21 Capabilities: {} → {"ssml":true,"streaming":true,"multilingual":true,"voice_design":true,"voice_cl…
2. 2026-06-21 Summary Md: (none) → Resemble AI is a voice synthesis and deepfake security platform offering text-t…
3. 2026-06-21 Score Pricing Transparency: (none) → 85
4. 2026-06-21 Score Agent Friendliness: (none) → 55
5. 2026-06-21 Score Setup Speed: (none) → 55
6. 2026-06-21 Score Docs Quality: (none) → 55
7. 2026-06-21 Score Procurement Friction: (none) → 85
8. 2026-06-21 Score Trust Readiness: (none) → 38
9. 2026-06-21 Best For: (none) → Regulated or enterprise workloads - compliance attestations and an enterprise p…
10. 2026-06-21 Avoid If: (none) → You want to try it free before paying
11. 2026-06-21 Scoring Methodology: (none) → Scores are computed deterministically from this profile's published, sourced fi…
12. 2026-06-21 Llms Txt URL: (none) → https://www.resemble.ai/llms.txt
13. 2026-06-21 Has Structured Data: (none) → Yes
14. 2026-06-21 Robots Allows Agents: (none) → No
15. 2026-06-21 API Reference URL: (none) → https://docs.resemble.ai/welcome
16. 2026-06-21 Status Page URL: (none) → https://status.resemble.ai
17. 2026-06-21 Changelog URL: (none) → https://www.resemble.ai/changelog
18. 2026-06-21 Docs URL: (none) → https://docs.resemble.ai/welcome
19. 2026-06-21 Rendering: (none) → static
20. 2026-06-21 Llms Txt Present: (none) → Yes
21. 2026-06-21 Self Serve Signup: set to Yes
22. 2026-06-21 Requires Sales Call: set to No
23. 2026-06-21 Enterprise Plan Available: set to Yes
24. 2026-06-21 SOC 2: set to in_progress
25. 2026-06-21 HIPAA: set to Yes
26. 2026-06-21 GDPR: set to Yes
27. 2026-06-21 ISO 27001: set to No
28. 2026-06-21 PCI DSS: set to No
29. 2026-06-21 SLA Published: set to No
30. 2026-06-21 Data Retention Policy URL: set to https://www.resemble.ai/privacy-policy/
31. 2026-06-21 Documented Rate Limits: set to 40 requests per second per API token (public REST API); Audio Enhancement endpo…
32. 2026-06-21 Rate Limit Requests: set to 40
33. 2026-06-21 Rate Limit Window: set to second
34. 2026-06-21 Known Restrictions: set to WebSocket streaming API requires Business plan or above, Synchronous TTS max 3,…
35. 2026-06-21 Auth Methods: set to api_key
36. 2026-06-21 Auth Docs URL: set to https://docs.resemble.ai/getting-started/authentication
37. 2026-06-21 API Style: set to rest
38. 2026-06-21 Base URL: set to https://app.resemble.ai/api/v2
39. 2026-06-21 API Version: set to v2
40. 2026-06-21 Versioning Scheme: set to url
41. 2026-06-21 Stability: set to ga
42. 2026-06-21 MCP URL: set to https://github.com/resemble-ai/resemble-mcp
43. 2026-06-21 Quickstart URL: set to https://docs.resemble.ai/getting-started/quickstart
44. 2026-06-21 Error Format: set to vendor-specific
45. 2026-06-21 Webhook Events URL: set to https://docs.resemble.ai/agents/webhooks/overview
46. 2026-06-21 Requires Verification: set to No
47. 2026-06-21 Slug: set to resemble-ai
48. 2026-06-21 Price Basis: set to second
49. 2026-06-21 Launched At: set to 2019-01-01
50. 2026-06-21 Notable Customers: set to Netflix, Telnyx, Paramount, Deutsche Telekom, World Bank, Axel Springer

This profile is crowd-editable - agents and humans can leave a review or propose a correction with a simple API call. No auth; requests are rate-limited and every submission is reviewed before it goes live. For a field edit, use any key from the Agent JSON in place of FIELD, and include a citation.

curl -X POST https://apio.sh/api/feedback/resemble-ai \
  -H 'Content-Type: application/json' \
  -d '{"kind":"review","rating":5,"body":"Your experience with this API…"}'

curl -X POST https://apio.sh/api/suggest/resemble-ai/FIELD \
  -H 'Content-Type: application/json' \
  -d '{"value":"corrected value","citations":[{"url":"https://source.example/page","excerpt":"supporting quote"}],"note":"what changed and why"}'

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