FlexAI

FlexAI is managed inference for builders — an OpenAI-compatible API (Token Factory) that provides a single API key across open models for text, code, reasoning, vision, embeddings, image, video, and audio, priced by usage per model. Beyond serverless inference the platform offers dedicated GPU endpoints, managed LoRA/QLoRA fine-tuning, distributed training, an Agent SDK (in trial), and a private AI cloud (AI Factory) deployable to VPC, on-prem, or air-gapped environments. Because the inference API is a drop-in OpenAI replacement, teams point the OpenAI SDK at the FlexAI base URL and change only the key. FlexAI is backed by Partech and profiled in the API Evangelist network for its developer surface and agent-native infrastructure.

FlexAI publishes 8 API contracts indexed on the APIs.io network, including Audio API, Completions API, Embeddings API, and 5 more. Tagged areas include Company, Artificial Intelligence, Machine Learning, Inference, and LLM.

The FlexAI catalog on APIs.io includes 1 Spectral governance ruleset.

FlexAI’s developer surface includes documentation, API reference, getting-started guide, engineering blog, pricing, signup flow, support, and 22 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

48.2/100 developing ▬ flat Agent 30/100 agent ready Front door AI 6/6 dominant Heartbeat 75/100 alive saas Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

AccessPaid

2 published contracts 2 Agent Skills

Company Artificial Intelligence Machine Learning Inference LLM OpenAI-Compatible GPU Compute Embeddings Fine-Tuning Agents

Kin Score

Kin Score How this is scored →
scored 2026-11-06 · rubric v0.27.0

Composite quality — 48.2/100 · developing

Contract Quality 2.7 / 19

Developer Ergonomics 9.0 / 15

Access Clarity 11.8 / 15

Operational Transparency 4.6 / 10

Contract Governance 1.6 / 9

Discoverability 5.5 / 8

Regulatory Posture 4.1 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 30/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 0 / 5

Distinct Operations 0 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.

The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document
Delegated User Identity +6 pts — a served discovery document listing authorization_code in grant_types_supported (served), else an oauth2 authorizationCode flow or openIdConnect declared in an OpenAPI (documented)
Typed Event Surface +6 pts — AsyncAPI document, OR webhooks/callbacks objects in the as-published OpenAPI, OR common[].type includes Webhooks

8 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Contract Quality scores 14.6 — up to +21.4 composite points
Contract Governance scores 18.2 — up to +9.8 composite points
Developer Ergonomics scores 60.1 — up to +8.0 composite points

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/flexai/apis.yml: open an issue on github.com/api-evangelist/flexai to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Standards implemented 2

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

The OpenAI Interface reaches extended

declared — publishes a spec that declares them

2 core of 338 operations graded · api-commons/models

OpenAPI

measured — observed by APIs.io (published)

APIs 8

Individual APIs this provider publishes, each with its own machine-readable definition.

FlexAI Audio API

Speech-to-text and text-to-speech

FlexAI Completions API

Legacy text completions

FlexAI Embeddings API

Vector embeddings

FlexAI Images API

Image generation

FlexAI Models API

Model catalog

FlexAI Video API

Video generation

FlexAI Usage API

Programmatic spend and quota for the calling key.

FlexAI Chat Completions API

Chat completions (streaming, tool use, vision).

Scroll for all 8

Postman Collections 7

Ready-to-run Postman collections for exercising this provider's APIs.

FlexAI Token Factory Audio API

POSTMAN

FlexAI Token Factory Audio Chat API

POSTMAN

FlexAI Token Factory Audio Completions API

POSTMAN

FlexAI Token Factory Audio Embeddings API

POSTMAN

FlexAI Token Factory Audio Images API

POSTMAN

FlexAI Token Factory Audio Models API

POSTMAN

FlexAI Token Factory Audio Video API

POSTMAN

Scroll for all 7

Open Collections 7

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

FlexAI Token Factory Audio API

OPEN COLLECTION

FlexAI Token Factory Audio Chat API

OPEN COLLECTION

FlexAI Token Factory Audio Completions API

OPEN COLLECTION

FlexAI Token Factory Audio Embeddings API

OPEN COLLECTION

FlexAI Token Factory Audio Images API

OPEN COLLECTION

FlexAI Token Factory Audio Models API

OPEN COLLECTION

FlexAI Token Factory Audio Video API

OPEN COLLECTION

Scroll for all 7

Agent Skills 2

Packaged agent skills for driving this provider's APIs from an AI assistant.

Call an open model with the FlexAI chat completions API

AGENT SKILL

Generate embeddings with FlexAI

AGENT SKILL

FlexAI API pricing

Prices published by FlexAI, read 2026-10-28 from flex.ai/pricing.

Plan	Price
Qwen3.6-35B-A3B (serverless)	$0.100
GPT-OSS 20B (serverless)	$0.020
BGE-M3 (embeddings)	$0.010
FLUX.1 [schnell] (image)	$0.0005 per image
Whisper Large V3 Turbo	$0.0002/ min per minute
Kokoro-82M (TTS)	$0.99/ M chars per million characters
MiniMax-H3 (video)	$4.8/ min of video per minute of video
Dedicated B200	$6.25/hr

All 12 plans, limits and sources →

Rate limits

Free tier requests: 10 requests per minute
Paid tier requests: 100 requests per minute
Custom / Enterprise: unlimited requests per minute

Rate-limit details →

Billed by: gpu-hour · FinOps profile →

Pricing Plans 1

Published pricing tiers and plan structures.

Flexai Plans

12 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Flexai Rate Limits

3 limits

RATE LIMITS

Service Levels 1

Uptime the provider promises or reports, as SLA4OAI. Read from its own pages; APIs.io runs no monitors.

FlexAI

SLA

FinOps 1

Cost, billing, and metering signals for API financial operations.

Flexai Finops

FINOPS

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

FlexAI API Rules

66 rules · 64 errors 1 warnings 1 info

SPECTRAL

OpenAPI Overlays 1

Overlays applied on top of this provider's contracts. Each card says who wrote it: a document the provider publishes, or one API Evangelist derived or generated.

Flexai Token Factory Overlay

3 actions · update · flexai-token-factory-openapi.yml

DERIVED

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Flexai Authentication

http · 1 scheme

SECURITY

Flexai Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Flexai Agentic Access

8 operations · 7 acting

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

SignUp

SignUp

Documentation 3

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

OpenAPI

OpenAPI

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

LLMsTxt

LLMsTxt

X-MCPServerCandidate

X-MCPServerCandidate

AgentSkill

AgentSkill

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Conventions

ErrorCatalog

Lifecycle

Conformance

DataModel

Build 1

SDKs, sample code, and the tooling you integrate with

PostmanWorkspace

PostmanWorkspace

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

TrustCenter

TrustCenter

Authentication

Authentication

Operate 3

Status, limits, changes, and where to get help

Support

Support

StatusPage

StatusPage

RateLimits

RateLimits

Commercial 4

Pricing, plans, and the legal terms of use

Pricing

TermsOfService

PrivacyPolicy

Plans

Company 2

The organization behind the API

Website

Website

Blog

Blog

Other 1

Properties that don't map to a standard resource type

Overlay

Overlay

Source (apis.yml)

aid: flexai
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: high
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: paid
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Paid
  confidence: high
  source:
  - plans
  - authentication
  - rate-limits
  - security
  generated: '2026-11-06'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/flexai.png
name: FlexAI
description: FlexAI is managed inference for builders — an OpenAI-compatible API (Token Factory) that provides a single API
  key across open models for text, code, reasoning, vision, embeddings, image, video, and audio, priced by usage per model.
  Beyond serverless inference the platform offers dedicated GPU endpoints, managed LoRA/QLoRA fine-tuning, distributed training,
  an Agent SDK (in trial), and a private AI cloud (AI Factory) deployable to VPC, on-prem, or air-gapped environments. Because
  the inference API is a drop-in OpenAI replacement, teams point the OpenAI SDK at the FlexAI base URL and change only the
  key. FlexAI is backed by Partech and profiled in the API Evangelist network for its developer surface and agent-native infrastructure.
url: https://raw.githubusercontent.com/api-evangelist/flexai/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- partech
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-19'
x-docs-platform: mintlify
x-docs-platform-confidence: medium
x-docs-platform-checked: 2026-10-03
tags:
- Company
- Artificial Intelligence
- Machine Learning
- Inference
- LLM
- OpenAI-Compatible
- GPU Compute
- Embeddings
- Fine-Tuning
- Agents
tags_raw:
- Company
- Ai/Ml
- Artificial Intelligence
- Machine Learning
- Inference
- LLM
- Large Language Models
- OpenAI Compatible
- GPU Compute
- Embeddings
- Fine-Tuning
- Agents
- Machine-Learning
- Ai Ml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
apis:
- aid: flexai:flexai-audio-api
  name: FlexAI Audio API
  description: Speech-to-text and text-to-speech
  humanURL: https://docs.flex.ai/inference-api/overview
  baseURL: https://tokens.flex.ai/v1
  tags:
  - Audio
  properties:
  - type: OpenAPI
    url: openapi/flexai-audio-api-openapi.yml
  - type: Documentation
    url: https://docs.flex.ai
  - type: APIReference
    url: https://docs.flex.ai/inference-api/reference/openai-compatibility
  - type: GettingStarted
    url: https://docs.flex.ai/inference-api/quickstart
  - type: Authentication
    url: authentication/flexai-authentication.yml
- aid: flexai:flexai-completions-api
  name: FlexAI Completions API
  description: Legacy text completions
  humanURL: https://docs.flex.ai/inference-api/overview
  baseURL: https://tokens.flex.ai/v1
  tags:
  - Completions
  properties:
  - type: OpenAPI
    url: openapi/flexai-completions-api-openapi.yml
  - type: Documentation
    url: https://docs.flex.ai
  - type: APIReference
    url: https://docs.flex.ai/inference-api/reference/openai-compatibility
  - type: GettingStarted
    url: https://docs.flex.ai/inference-api/quickstart
  - type: Authentication
    url: authentication/flexai-authentication.yml
- aid: flexai:flexai-embeddings-api
  name: FlexAI Embeddings API
  description: Vector embeddings
  humanURL: https://docs.flex.ai/inference-api/overview
  baseURL: https://tokens.flex.ai/v1
  tags:
  - Embeddings
  properties:
  - type: OpenAPI
    url: openapi/flexai-embeddings-api-openapi.yml
  - type: Documentation
    url: https://docs.flex.ai
  - type: APIReference
    url: https://docs.flex.ai/inference-api/reference/openai-compatibility
  - type: GettingStarted
    url: https://docs.flex.ai/inference-api/quickstart
  - type: Authentication
    url: authentication/flexai-authentication.yml
- aid: flexai:flexai-images-api
  name: FlexAI Images API
  description: Image generation
  humanURL: https://docs.flex.ai/inference-api/overview
  baseURL: https://tokens.flex.ai/v1
  tags:
  - Image
  tags_raw:
  - Images
  properties:
  - type: OpenAPI
    url: openapi/flexai-images-api-openapi.yml
  - type: Documentation
    url: https://docs.flex.ai
  - type: APIReference
    url: https://docs.flex.ai/inference-api/reference/openai-compatibility
  - type: GettingStarted
    url: https://docs.flex.ai/inference-api/quickstart
  - type: Authentication
    url: authentication/flexai-authentication.yml
- aid: flexai:flexai-models-api
  name: FlexAI Models API
  description: Model catalog
  humanURL: https://docs.flex.ai/inference-api/overview
  baseURL: https://tokens.flex.ai/v1
  tags:
  - Models
  properties:
  - type: OpenAPI
    url: openapi/flexai-models-api-openapi.yml
  - type: Documentation
    url: https://docs.flex.ai
  - type: APIReference
    url: https://docs.flex.ai/inference-api/reference/openai-compatibility
  - type: GettingStarted
    url: https://docs.flex.ai/inference-api/quickstart
  - type: Authentication
    url: authentication/flexai-authentication.yml
- aid: flexai:flexai-video-api
  name: FlexAI Video API
  description: Video generation
  humanURL: https://docs.flex.ai/inference-api/overview
  baseURL: https://tokens.flex.ai/v1
  tags:
  - Video
  properties:
  - type: OpenAPI
    url: openapi/flexai-video-api-openapi.yml
  - type: Documentation
    url: https://docs.flex.ai
  - type: APIReference
    url: https://docs.flex.ai/inference-api/reference/openai-compatibility
  - type: GettingStarted
    url: https://docs.flex.ai/inference-api/quickstart
  - type: Authentication
    url: authentication/flexai-authentication.yml
- aid: flexai:flexai-usage-api
  name: FlexAI Usage API
  description: Programmatic spend and quota for the calling key.
  humanURL: https://docs.flex.ai/inference-api/overview
  baseURL: https://api.flex.ai
  tags:
  - Usage
  properties:
  - type: OpenAPI
    url: openapi/flexai-usage-api-openapi.yml
  - type: Documentation
    url: https://docs.flex.ai
  - type: APIReference
    url: https://docs.flex.ai/inference-api/reference/openai-compatibility
  - type: GettingStarted
    url: https://docs.flex.ai/inference-api/quickstart
  - type: Authentication
    url: authentication/flexai-authentication.yml
- aid: flexai:flexai-chat-completions-api
  name: FlexAI Chat Completions API
  description: Chat completions (streaming, tool use, vision).
  humanURL: https://docs.flex.ai/inference-api/overview
  baseURL: https://api.flex.ai
  tags:
  - Chat Completions
  properties:
  - type: OpenAPI
    url: openapi/flexai-chat-completions-api-openapi.yml
  - type: Documentation
    url: https://docs.flex.ai
  - type: APIReference
    url: https://docs.flex.ai/inference-api/reference/openai-compatibility
  - type: GettingStarted
    url: https://docs.flex.ai/inference-api/quickstart
  - type: Authentication
    url: authentication/flexai-authentication.yml
common:
- type: PostmanWorkspace
  url: https://www.postman.com/kinlaneapi/flexai/overview
- type: DomainSecurity
  url: security/flexai-domain-security.yml
- type: AgenticAccess
  url: agentic-access/flexai-agentic-access.yml
- type: Website
  url: https://www.flex.ai/
- type: DeveloperPortal
  url: https://docs.flex.ai
- type: Documentation
  url: https://docs.flex.ai
- type: APIReference
  url: https://docs.flex.ai/inference-api/reference/openai-compatibility
- type: GettingStarted
  url: https://docs.flex.ai/inference-api/quickstart
- type: Blog
  url: https://flex.ai/blog
- type: Pricing
  url: https://flex.ai/pricing
- type: SignUp
  url: https://tokens.flex.ai/signup
- type: Support
  url: mailto:support@flex.ai
- type: TermsOfService
  url: https://flex.ai/terms-of-service
- type: PrivacyPolicy
  url: https://flex.ai/privacy-policy
- type: StatusPage
  url: https://status.flex.ai
- type: TrustCenter
  url: https://security.flex.ai
- type: LLMsTxt
  url: llms/flexai-llms.txt
- type: OpenAPI
  url: openapi/_original/flexai-token-factory-openapi.yml
- type: Authentication
  url: authentication/flexai-authentication.yml
- type: Conventions
  url: conventions/flexai-conventions.yml
- type: RateLimits
  url: rate-limits/flexai-rate-limits.yml
- type: ErrorCatalog
  url: errors/flexai-problem-types.yml
- type: Lifecycle
  url: lifecycle/flexai-lifecycle.yml
- type: Conformance
  url: conformance/flexai-conformance.yml
- type: DataModel
  url: data-model/flexai-data-model.yml
- type: X-MCPServerCandidate
  url: mcp/flexai-mcp.yml
  note: 'Renamed from MCPServer 2026-09-03 (roadmap#247): the manifest self-describes as status: candidate — a tool list derived
    from the published API contracts, not an existing server. The scorer already read the manifest and reported mcp_server
    correctly; the MCPServer type was crediting the artifact-type surfaces with a server that does not exist.'
- type: AgentSkill
  url: skills/_index.yml
- type: Overlay
  url: overlays/flexai-token-factory-overlay.yaml
- type: Plans
  url: plans/flexai-plans.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

FlexAI API — frequently asked questions

Does FlexAI have an API?

Yes. APIs.io lists 8 APIs from FlexAI, including FlexAI Audio API, FlexAI Completions API and FlexAI Embeddings API, and 5 more.

Is there an OpenAPI specification for the FlexAI API?

Yes. APIs.io indexes 8 OpenAPI specifications for FlexAI, each linked for download from this page.

How do I authenticate with the FlexAI API?

FlexAI uses bearer-token authentication (http · 1 scheme). The details are profiled on APIs.io as Flexai Authentication.

How much does the FlexAI API cost?

FlexAI publishes its prices; its Qwen3.6-35B-A3B (serverless) plan is $0.100 as of 2026-10-28. APIs.io lists 12 pricing plans for FlexAI, with each plan's price, limits and inclusions under Pricing on this page.

Is the FlexAI API ready for AI agents?

FlexAI has a Kin Score of 48.2 out of 100 (developing) and an Agent Readiness score of 29.8 (agent-ready), scored by API Evangelist on 2026-11-06.

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