Maven

Maven provides a payments API enabling voice AI agents and chatbots to securely collect credit card payments inline, handling PCI compliance and supporting over 25 payment gateways. Backed by Y Combinator, Maven’s platform lets developers integrate voice or chat payment flows with minimal code, offering SDKs, webhooks, and customizable widgets for seamless checkout experiences.

Maven publishes 5 API contracts indexed on the APIs.io network, including Health API, Public API (v1) API, Retell API, and 2 more. Tagged areas include Payments, Voice AI, Chatbots, API, and FinTech.

The Maven catalog on APIs.io includes 1 event-driven AsyncAPI specification, 1 JSON-LD context, and 1 Spectral governance ruleset.

Maven’s developer surface includes authentication, documentation, API reference, getting-started guide, support, and 21 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

42.2/100 developing Agent 52/100 agent ready Full breakdown ↓
scored 2026-10-31 · rubric v0.25.0 · Show this score on your site →

1 published contract 1 MCP Servers 1 Agent Skills

Payments Voice AI ChatbotsAPIFinTechY-Combinator

Kin Score

Kin Score How this is scored →
scored 2026-10-31 · rubric v0.25.0

Composite quality — 42.2/100 · developing

Contract Quality 13.3 / 21

Developer Ergonomics 9.6 / 17

Access Clarity 3.6 / 17

Operational Transparency 1.5 / 11

Contract Governance 2.0 / 10

Discoverability 5.5 / 9

Regulatory Posture 3.3 / 15

Agent readiness — 52/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 6 / 6

Agent Skills 5 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 8 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 6 / 6

Protected Resource Metadata 5 / 5

Registration Without a Human 6 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

Regulatory Posture applies to this provider. Its tags matched the Payments 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 could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% 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):

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)
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented)
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link
Documented Reversibility +6 pts — a reversal operation in the contract, graded up when a window is documented too
Agentic Commerce Well-Known Document +5 pts — a parsing /.well-known/ucp.json or acp.json declaring a version and at least one service — `self` when its endpoints are on the provider's own domain, `platform` when they are on a vendor's
Dry-Run / Simulate Mode +4 pts — OpenAPI: destructive operations expose a dry_run / simulate / preview / validate_only parameter

2 more unmet checks in the Agent Readiness table above.

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

Access Clarity scores 21.1 — up to +15.8 composite points
Operational Transparency scores 13.2 — up to +11.3 composite points
Contract Governance scores 19.7 — up to +9.6 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/trymaven-com/apis.yml: open an issue on github.com/api-evangelist/trymaven-com 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 →

APIs 5

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

Maven Health API

The Health API from Maven — 1 operation(s) for health.

Maven Public API (v1) API

The Public API (v1) API from Maven — 6 operation(s) for public api (v1).

Maven Retell API

The Retell API from Maven — 1 operation(s) for retell.

Maven VAPI API

The VAPI API from Maven — 1 operation(s) for vapi.

Maven Widget Sessions API

The Widget Sessions API from Maven — 1 operation(s) for widget sessions.

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Maven MCP Server

Remote MCP server at docs.trymaven.com.

MCP SERVER

Agent Skills 1

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

trymaven-com-create-and-manage-session

AGENT SKILL

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Trymaven Com Webhooks

ASYNCAPI

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Trymaven Com Context

12 classes · 80 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Maven API Rules

11 rules · 10 errors 1 info

SPECTRAL

JSON Schema 5

Standalone JSON Schema definitions for this provider's data models.

AuthCheckResponse

4 properties

JSON SCHEMA

CreateWidgetSession

6 properties

JSON SCHEMA

SessionCreateResponse

5 properties

JSON SCHEMA

SessionCreate

10 properties

JSON SCHEMA

SessionGetResponse

19 properties

JSON SCHEMA

Security Posture 2

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

Trymaven Com Authentication

1 scheme

SECURITY

Trymaven Com Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

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

Trymaven Com Agentic Access

11 operations · 5 acting

AGENTIC

Resources

Get Started 2

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgentSkill

LLMsTxt

MCPServer

WellKnown

Design & Contract 7

Pagination, idempotency, versioning, errors, and events

Spectral

JSONLD

Vocabulary

Webhooks

DataModel

ErrorCatalog

Conformance

Scroll for all 7

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 1

The organization behind the API

Website

Website

Other 3

Properties that don't map to a standard resource type

AgentCard

AgentCard

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: trymaven-com
name: Maven
image: https://trymaven.com/opengraph-image?2af9e901f0448d02
description: Maven provides a payments API enabling voice AI agents and chatbots to securely collect credit card payments
  inline, handling PCI compliance and supporting over 25 payment gateways. Backed by Y Combinator, Maven’s platform lets developers
  integrate voice or chat payment flows with minimal code, offering SDKs, webhooks, and customizable widgets for seamless
  checkout experiences.
url: https://raw.githubusercontent.com/api-evangelist/trymaven-com/refs/heads/main/apis.yml
x-type: company
x-source: harvest:vc-portfolio
x-tier: profiled
x-tier-reason: enrichment pass 2026-10-24 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-10-24'
modified: '2026-10-24'
tags:
- Payments
- Voice AI
- Chatbots
- API
- FinTech
- Y-Combinator
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/trymaven-com-agentic-access.yml
- type: Spectral
  url: rules/trymaven-com-rules.yml
- type: JSONLD
  url: json-ld/trymaven-com-context.jsonld
- type: Vocabulary
  url: vocabulary/trymaven-com-vocabulary.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Webhooks
  url: asyncapi/trymaven-com-webhooks.yml
- type: DataModel
  url: data-model/trymaven-com-data-model.yml
- type: Authentication
  url: authentication/trymaven-com-authentication.yml
- type: ErrorCatalog
  url: errors/trymaven-com-problem-types.yml
- type: Conformance
  url: conformance/trymaven-com-conformance.yml
- type: LLMsTxt
  url: llms/trymaven-com-llms.txt
- type: AgentCard
  url: a2a/trymaven-com-a2a.yml
- type: MCPServer
  url: mcp/trymaven-com-mcp.yml
- type: WellKnown
  url: well-known/trymaven-com-well-known.yml
- type: Hosts
  url: hosts/trymaven-com-hosts.yml
- type: Vendors
  url: vendors/trymaven-com-vendors.yml
- type: GitHubOrganization
  url: https://github.com/MavenPayments
- type: DomainSecurity
  url: security/trymaven-com-domain-security.yml
- type: Website
  url: https://trymaven.com
- type: DeveloperPortal
  url: https://app.trymaven.com
- type: Documentation
  url: https://docs.trymaven.com
- type: APIReference
  url: https://docs.trymaven.com/api-reference/overview
- type: GettingStarted
  url: https://docs.trymaven.com/quickstart.md
- type: Support
  url: https://trust.trymaven.com
- type: TermsOfService
  url: https://trymaven.com/terms
- type: PrivacyPolicy
  url: https://trymaven.com/privacy
apis:
- aid: trymaven-com:trymaven-com-health-api
  name: Maven Health API
  description: The Health API from Maven — 1 operation(s) for health.
  humanURL: https://docs.trymaven.com/api-reference/overview
  baseURL: https://docs.trymaven.com
  tags:
  - Health
  properties:
  - type: OpenAPI
    url: openapi/trymaven-com-health-api-openapi.yml
  - type: JSONSchema
    url: json-schema/trymaven-com-session-get-response-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-session-create-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-create-widget-session-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-session-create-response-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-auth-check-response-schema.json
- aid: trymaven-com:trymaven-com-public-api-v1-api
  name: Maven Public API (v1) API
  description: The Public API (v1) API from Maven — 6 operation(s) for public api (v1).
  humanURL: https://docs.trymaven.com/api-reference/overview
  baseURL: https://docs.trymaven.com
  tags:
  - Public API (v1)
  properties:
  - type: OpenAPI
    url: openapi/trymaven-com-public-api-v1-api-openapi.yml
  - type: JSONSchema
    url: json-schema/trymaven-com-session-get-response-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-session-create-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-create-widget-session-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-session-create-response-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-auth-check-response-schema.json
- aid: trymaven-com:trymaven-com-retell-api
  name: Maven Retell API
  description: The Retell API from Maven — 1 operation(s) for retell.
  humanURL: https://docs.trymaven.com/api-reference/overview
  baseURL: https://docs.trymaven.com
  tags:
  - Retell
  properties:
  - type: OpenAPI
    url: openapi/trymaven-com-retell-api-openapi.yml
  - type: JSONSchema
    url: json-schema/trymaven-com-session-get-response-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-session-create-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-create-widget-session-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-session-create-response-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-auth-check-response-schema.json
- aid: trymaven-com:trymaven-com-vapi-api
  name: Maven VAPI API
  description: The VAPI API from Maven — 1 operation(s) for vapi.
  humanURL: https://docs.trymaven.com/api-reference/overview
  baseURL: https://docs.trymaven.com
  tags:
  - VAPI
  properties:
  - type: OpenAPI
    url: openapi/trymaven-com-vapi-api-openapi.yml
  - type: JSONSchema
    url: json-schema/trymaven-com-session-get-response-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-session-create-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-create-widget-session-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-session-create-response-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-auth-check-response-schema.json
- aid: trymaven-com:trymaven-com-widget-sessions-api
  name: Maven Widget Sessions API
  description: The Widget Sessions API from Maven — 1 operation(s) for widget sessions.
  humanURL: https://docs.trymaven.com/api-reference/overview
  baseURL: https://docs.trymaven.com
  tags:
  - Widget Sessions
  properties:
  - type: OpenAPI
    url: openapi/trymaven-com-widget-sessions-api-openapi.yml
  - type: JSONSchema
    url: json-schema/trymaven-com-session-get-response-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-session-create-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-create-widget-session-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-session-create-response-schema.json
  - type: JSONSchema
    url: json-schema/trymaven-com-auth-check-response-schema.json
x-backed-by:
- y-combinator
x-enrichment:
  date: '2026-10-24'
  status: enriched
  artifacts_added: 31
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

Maven API — frequently asked questions

Does Maven have an API?

Yes. APIs.io lists 5 APIs from Maven, including Maven Health API, Maven Public API (v1) API and Maven Retell API, and 2 more.

Is there an OpenAPI specification for the Maven API?

Yes. APIs.io indexes 5 OpenAPI specifications for Maven, each linked for download from this page.

How do I authenticate with the Maven API?

Maven documents its authentication (1 scheme). The details are profiled on APIs.io as Trymaven Com Authentication.

Does Maven have an MCP server?

Yes. APIs.io lists 1 MCP server for Maven: Remote MCP server at docs.trymaven.com.

Is the Maven API ready for AI agents?

Maven has a Kin Score of 42.2 out of 100 (developing) and an Agent Readiness score of 52.1 (agent-ready), scored by API Evangelist on 2026-10-31.

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Tools for providers

9 MCP tools reach this

find_providersBrowse and filter every provider in the catalog.
get_provider_artifactsEvery artifact this provider publishes, grouped by type.
get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
get_provider_ratingPRO — composite, band, trend and facet scores.
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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