Paid

Paid (paid.ai) is the monetization platform for AI agents. It gives teams that build and sell AI agents the pricing, billing, and margin infrastructure to charge with flexible models — credits, usage-based, seat-based, and outcome-based pricing — while tracking the AI costs and delivered value behind every customer. Paid exposes a REST API (v1 and v2 on api.agentpaid.io), first-party SDKs for Node, Python, Go, and Java, a CLI, embeddable UI components, billing webhooks, an agent skill, and a hosted MCP server. Backed by EQT Ventures, Lightspeed Venture Partners, Seedcamp, and Techstars.

Paid publishes 22 API contracts indexed on the APIs.io network, including Agents API, Analytics Experimental API, Checkouts API, and 19 more. Tagged areas include Company, Artificial Intelligence, Billing, Monetization, and Payments.

The Paid catalog on APIs.io includes 1 event-driven AsyncAPI specification and 1 Spectral governance ruleset.

Paid’s developer surface includes documentation, API reference, getting-started guide, signup flow, pricing, engineering blog, authentication, and 25 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

66.6/100 exemplar ▬ flat Agent 37/100 agent ready Front door AI 4/6 moderate Heartbeat 65/100 alive saas Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

AccessFreemiumSelf serve⚡ Free to try

2 published contracts 1 MCP Servers 1 Agent Skills

Company Artificial Intelligence Billing Monetization Payments Usage-Based Pricing AI Agents FinOps

What this lets a business do 4

Business capabilities this provider's published APIs can perform, derived from its own contracts. Browse all capabilities →

Subscription Billing & Revenue Management

BC-4250

CostsInvoicesSignalsUsage

GET /invoices/ GET /invoices/{id} GET /invoices/{id}/lines POST /usage/signals/bulk

Subscription Lifecycle Management

BC-4240

OrdersPlans

POST /plans/{planId}/subscribe POST /plans/upgrade POST /plans/ PUT /plans/upgrade-path

Customer Relationship Management

BC-420

ContactsCustomers

POST /contacts

Developer Platform & API Ecosystem Management

BC-4270

Webhooks

GET /webhooks/ POST /webhooks/{webhookName}/test POST /webhooks/rotate-secret

Kin Score

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

Composite quality — 66.6/100 · exemplar

Contract Quality 11.0 / 19

Developer Ergonomics 12.2 / 15

Access Clarity 11.6 / 15

Operational Transparency 1.0 / 10

Contract Governance 1.6 / 9

Discoverability 5.4 / 8

Regulatory Posture 3.1 / 15

Create-or-Update Ergonomics 10.0 / 10

Agent readiness — 37/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 6 / 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 4 / 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 5 / 5

Distinct Operations 0 / 3

MCP Tool Quality 6 / 6

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 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):

Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
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
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
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document

6 more unmet checks in the Agent Readiness table above.

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

Operational Transparency scores 10.5 — up to +11.6 composite points
Contract Quality scores 58.7 — up to +10.3 composite points
Contract Governance scores 18.2 — up to +9.8 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/paid/apis.yml: open an issue on github.com/api-evangelist/paid 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 →

Markets this provider is in provisional

The Kin Score Market layer reads a provider inside its market: its position, and how deep its integrations go. Depth is only comparable within a position. Provisional and unweighted: not part of the Kin Score or agent readiness.

Market	Position	Depth	Registered MCP server	Declares compatibility
Billing, Subscriptions and Monetization	standard	36.4	-	1
Agent Skills (SKILL.md packages)	standard	36.4	-	1

Registered MCP server and declares compatibility are report only — not weighted. Undeclared means we found nothing we can read, so there is no number: we never infer integrations.

Standards implemented 3

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.

Model Context Protocol (MCP)

measured — observed by APIs.io (documented)

Agent Skills

measured — observed by APIs.io (published)

OpenAPI

measured — observed by APIs.io (published)

APIs 22

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

Paid Agents API

The agents API from Paid — 3 operation(s) for agents.

Paid Analytics Experimental API

The analyticsExperimental API from Paid — 3 operation(s) for analyticsexperimental.

Paid Checkouts API

The checkouts API from Paid — 2 operation(s) for checkouts.

Paid Contacts API

The contacts API from Paid — 5 operation(s) for contacts.

Paid Costs API

The costs API from Paid — 1 operation(s) for costs.

Paid Credits API

The credits API from Paid — 2 operation(s) for credits.

Paid Customer Groups API

The customer-groups API from Paid — 3 operation(s) for customer-groups.

Paid Customer Portals API

The customer-portals API from Paid — 1 operation(s) for customer-portals.

Paid Customers API

The customers API from Paid — 22 operation(s) for customers.

Paid Custom Views Experimental API

The customViewsExperimental API from Paid — 6 operation(s) for customviewsexperimental.

Paid Invoices API

The invoices API from Paid — 3 operation(s) for invoices.

Paid Orders API

The orders API from Paid — 14 operation(s) for orders.

Paid orders > lines API

The orders > lines API from Paid — 1 operation(s) for orders > lines.

Paid Plans API

The plans API from Paid — 12 operation(s) for plans.

Paid Pricing API

The pricing API from Paid — 2 operation(s) for pricing.

Paid Products API

The products API from Paid — 5 operation(s) for products.

Paid Signals API

The signals API from Paid — 1 operation(s) for signals.

Paid Traces API

The traces API from Paid — 1 operation(s) for traces.

Paid Usage API

The usage API from Paid — 3 operation(s) for usage.

Paid Value Models API

The value-models API from Paid — 4 operation(s) for value-models.

Paid Value Receipts API

The value-receipts API from Paid — 9 operation(s) for value-receipts.

Paid Webhooks API

The webhooks API from Paid — 4 operation(s) for webhooks.

Scroll for all 22

Open Collections 22

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

API Reference agents API

OPEN COLLECTION

API Reference agents analyticsExperimental API

OPEN COLLECTION

API Reference agents checkouts API

OPEN COLLECTION

API Reference agents contacts API

OPEN COLLECTION

API Reference agents costs API

OPEN COLLECTION

API Reference agents credits API

OPEN COLLECTION

API Reference agents customer-groups API

OPEN COLLECTION

API Reference agents customer-portals API

OPEN COLLECTION

API Reference agents customers API

OPEN COLLECTION

API Reference agents customViewsExperimental API

OPEN COLLECTION

API Reference agents invoices API

OPEN COLLECTION

API Reference agents orders API

OPEN COLLECTION

API Reference agents orders > lines API

OPEN COLLECTION

API Reference agents plans API

OPEN COLLECTION

API Reference agents pricing API

OPEN COLLECTION

API Reference agents products API

OPEN COLLECTION

API Reference agents signals API

OPEN COLLECTION

API Reference agents traces API

OPEN COLLECTION

API Reference agents usage API

OPEN COLLECTION

API Reference agents value-models API

OPEN COLLECTION

API Reference agents value-receipts API

OPEN COLLECTION

API Reference agents webhooks API

OPEN COLLECTION

Scroll for all 22

MCP Servers 1

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

Paid MCP Server

Paid publishes a hosted, remote MCP server over its documentation surface for AI clients (Claude Code, Cursor, etc.); it also drives conversational custom-view generation over t...

MCP SERVER

Agent Skills 1

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

paid-cli

AGENT SKILL

Paid API pricing

Prices published by Paid, read 2026-10-07 from paid.ai/pricing.

Plan	Price
Free	$0 Includes: Up to $100k billings/year
Grow	/mo Includes: Up to $200k billings/year
Scale	/mo Includes: Up to $500k billings/year
Accelerate	/mo Includes: Up to $1m billings/year
Enterprise	Custom Includes: Unlimited billings

Plan details, limits and sources →

Billed by: subscription · FinOps profile →

Pricing Plans 1

Published pricing tiers and plan structures.

Paid Plans Pricing

5 plans

PLANS

Service Levels 1

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

Paid

SLA

FinOps 1

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

Paid Finops

FINOPS

Event Specifications 1

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

Paid Webhooks

ASYNCAPI

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Paid API Rules

50 rules · 40 errors 9 warnings 1 info

SPECTRAL

OpenAPI Overlays 2

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.

Paid V1 Overlay

3 actions · update · paid-v1.json

DERIVED

Paid V2 Overlay

4 actions · update · paid-v2.json

DERIVED

Security Posture 2

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

Paid Authentication

http · 1 scheme

SECURITY

Paid Domain Security

TLSv1.3

SECURITY

Resources

Get Started 4

Portal, sign-up, and the first successful call

DeveloperPortal

GettingStarted

SignUp

Sandbox

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

WellKnown

MCPServer

LLMsTxt

AgentSkill

Design & Contract 7

Pagination, idempotency, versioning, errors, and events

Components

Conformance

ErrorCatalog

Lifecycle

Conventions

DataModel

Webhooks

Scroll for all 7

Build 4

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

Packages

SDKs

CLI

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Commercial 4

Pricing, plans, and the legal terms of use

Plans

Pricing

TermsOfService

PrivacyPolicy

Company 3

The organization behind the API

BlogRSS

BlogRSS

Website

Website

Blog

Blog

Other 2

Properties that don't map to a standard resource type

CapabilityMap

CapabilityMap

Overlay

Overlay

Source (apis.yml)

aid: paid
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: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  gated: none
  gated_source:
  - onboarding
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  - security
  - sandbox
  generated: '2026-11-06'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/paid.png
name: Paid
description: Paid (paid.ai) is the monetization platform for AI agents. It gives teams that build and sell AI agents the pricing,
  billing, and margin infrastructure to charge with flexible models — credits, usage-based, seat-based, and outcome-based
  pricing — while tracking the AI costs and delivered value behind every customer. Paid exposes a REST API (v1 and v2 on api.agentpaid.io),
  first-party SDKs for Node, Python, Go, and Java, a CLI, embeddable UI components, billing webhooks, an agent skill, and
  a hosted MCP server. Backed by EQT Ventures, Lightspeed Venture Partners, Seedcamp, and Techstars.
url: https://raw.githubusercontent.com/api-evangelist/paid/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- eqt-ventures
- lightspeed-venture-partners
- seedcamp
- techstars
x-tier: enriched
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-10-06'
x-docs-platform: fern
x-docs-platform-confidence: medium
x-docs-platform-checked: 2026-10-04
x-docs-hosting: vercel
tags:
- Company
- Artificial Intelligence
- Billing
- Monetization
- Payments
- Usage-Based Pricing
- AI Agents
- FinOps
tags_raw:
- Company
- AI
- Billing
- Monetization
- Payments
- Usage-Based Pricing
- AI Agents
- FinOps
apis:
- aid: paid:paid-agents-api
  name: Paid Agents API
  description: The agents API from Paid — 3 operation(s) for agents.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - Agents
  tags_raw:
  - agents
  properties:
  - type: OpenAPI
    url: openapi/paid-agents-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-analyticsexperimental-api
  name: Paid Analytics Experimental API
  description: The analyticsExperimental API from Paid — 3 operation(s) for analyticsexperimental.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags: []
  tags_raw:
  - analyticsExperimental
  properties:
  - type: OpenAPI
    url: openapi/paid-analyticsexperimental-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-checkouts-api
  name: Paid Checkouts API
  description: The checkouts API from Paid — 2 operation(s) for checkouts.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - Checkout
  tags_raw:
  - checkouts
  properties:
  - type: OpenAPI
    url: openapi/paid-checkouts-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-contacts-api
  name: Paid Contacts API
  description: The contacts API from Paid — 5 operation(s) for contacts.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - Contacts
  tags_raw:
  - contacts
  properties:
  - type: OpenAPI
    url: openapi/paid-contacts-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-costs-api
  name: Paid Costs API
  description: The costs API from Paid — 1 operation(s) for costs.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - Costs
  tags_raw:
  - costs
  properties:
  - type: OpenAPI
    url: openapi/paid-costs-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-credits-api
  name: Paid Credits API
  description: The credits API from Paid — 2 operation(s) for credits.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - Credit
  tags_raw:
  - credits
  properties:
  - type: OpenAPI
    url: openapi/paid-credits-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-customer-groups-api
  name: Paid Customer Groups API
  description: The customer-groups API from Paid — 3 operation(s) for customer-groups.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - Customer Groups
  tags_raw:
  - customer-groups
  properties:
  - type: OpenAPI
    url: openapi/paid-customer-groups-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-customer-portals-api
  name: Paid Customer Portals API
  description: The customer-portals API from Paid — 1 operation(s) for customer-portals.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - customer-portals
  properties:
  - type: OpenAPI
    url: openapi/paid-customer-portals-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-customers-api
  name: Paid Customers API
  description: The customers API from Paid — 22 operation(s) for customers.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - Customers
  tags_raw:
  - customers
  properties:
  - type: OpenAPI
    url: openapi/paid-customers-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-customviewsexperimental-api
  name: Paid Custom Views Experimental API
  description: The customViewsExperimental API from Paid — 6 operation(s) for customviewsexperimental.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags: []
  tags_raw:
  - customViewsExperimental
  properties:
  - type: OpenAPI
    url: openapi/paid-customviewsexperimental-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-invoices-api
  name: Paid Invoices API
  description: The invoices API from Paid — 3 operation(s) for invoices.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - Invoices
  tags_raw:
  - invoices
  properties:
  - type: OpenAPI
    url: openapi/paid-invoices-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-orders-api
  name: Paid Orders API
  description: The orders API from Paid — 14 operation(s) for orders.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - Order
  tags_raw:
  - orders
  properties:
  - type: OpenAPI
    url: openapi/paid-orders-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-orders-lines-api
  name: Paid orders > lines API
  description: The orders > lines API from Paid — 1 operation(s) for orders > lines.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - orders > lines
  properties:
  - type: OpenAPI
    url: openapi/paid-orders-lines-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-plans-api
  name: Paid Plans API
  description: The plans API from Paid — 12 operation(s) for plans.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - Plans
  tags_raw:
  - plans
  properties:
  - type: OpenAPI
    url: openapi/paid-plans-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-pricing-api
  name: Paid Pricing API
  description: The pricing API from Paid — 2 operation(s) for pricing.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - Pricing
  tags_raw:
  - pricing
  properties:
  - type: OpenAPI
    url: openapi/paid-pricing-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-products-api
  name: Paid Products API
  description: The products API from Paid — 5 operation(s) for products.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - Product
  tags_raw:
  - products
  properties:
  - type: OpenAPI
    url: openapi/paid-products-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-signals-api
  name: Paid Signals API
  description: The signals API from Paid — 1 operation(s) for signals.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - Signals
  tags_raw:
  - signals
  properties:
  - type: OpenAPI
    url: openapi/paid-signals-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-traces-api
  name: Paid Traces API
  description: The traces API from Paid — 1 operation(s) for traces.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - Traces
  tags_raw:
  - traces
  properties:
  - type: OpenAPI
    url: openapi/paid-traces-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-usage-api
  name: Paid Usage API
  description: The usage API from Paid — 3 operation(s) for usage.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - Usage
  tags_raw:
  - usage
  properties:
  - type: OpenAPI
    url: openapi/paid-usage-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-value-models-api
  name: Paid Value Models API
  description: The value-models API from Paid — 4 operation(s) for value-models.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - value-models
  properties:
  - type: OpenAPI
    url: openapi/paid-value-models-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-value-receipts-api
  name: Paid Value Receipts API
  description: The value-receipts API from Paid — 9 operation(s) for value-receipts.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - value-receipts
  properties:
  - type: OpenAPI
    url: openapi/paid-value-receipts-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
- aid: paid:paid-webhooks-api
  name: Paid Webhooks API
  description: The webhooks API from Paid — 4 operation(s) for webhooks.
  humanURL: https://docs.paid.ai/api-reference/api-reference
  baseURL: https://api.agentpaid.io/api/v2
  tags:
  - Webhook
  tags_raw:
  - webhooks
  properties:
  - type: OpenAPI
    url: openapi/paid-webhooks-api-openapi.yml
  - type: Documentation
    url: https://docs.paid.ai/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Plans
  url: plans/paid-plans-pricing.yml
- url: https://paid.ai/rss.xml
  type: BlogRSS
- type: CapabilityMap
  url: capabilities/paid-capability-edges.yml
  name: Paid Business Capability Map
- type: Overlay
  url: overlays/paid-v1-overlay.yaml
- type: Website
  url: https://paid.ai/
- type: DeveloperPortal
  url: https://docs.paid.ai/
- type: Documentation
  url: https://docs.paid.ai/
- type: APIReference
  url: https://docs.paid.ai/api-reference/api-reference
- type: GettingStarted
  url: https://docs.paid.ai/documentation/getting-started/quickstart
- type: SignUp
  url: https://app.paid.ai
- type: Pricing
  url: https://paid.ai/pricing
- type: Blog
  url: https://paid.ai/blog
- type: GitHubOrganization
  url: https://github.com/paid-ai
- type: TermsOfService
  url: https://paid.ai/legal/terms
- type: PrivacyPolicy
  url: https://paid.ai/legal/privacy
- type: Authentication
  url: authentication/paid-authentication.yml
- type: DomainSecurity
  url: security/paid-domain-security.yml
- type: Packages
  url: packages/paid-packages.yml
- type: SDKs
  url: packages/paid-packages.yml
- type: CLI
  url: cli/paid-cli.yml
- type: Components
  url: components/paid-components.yml
- type: WellKnown
  url: well-known/paid-well-known.yml
- type: MCPServer
  url: mcp/paid-mcp.yml
- type: LLMsTxt
  url: llms/paid-llms.txt
- type: Conformance
  url: conformance/paid-conformance.yml
- type: ErrorCatalog
  url: errors/paid-problem-types.yml
- type: Lifecycle
  url: lifecycle/paid-lifecycle.yml
- type: Conventions
  url: conventions/paid-conventions.yml
- type: DataModel
  url: data-model/paid-data-model.yml
- type: Sandbox
  url: sandbox/paid-sandbox.yml
- type: Webhooks
  url: asyncapi/paid-webhooks.yml
- type: AgentSkill
  url: skills/_index.yml
x-enrichment:
  date: '2026-07-20'
  status: enriched
  artifacts_added: 22
  pass: local-v1

Paid API — frequently asked questions

Does Paid have an API?

Yes. APIs.io lists 22 APIs from Paid, including Paid Agents API, Paid Analytics Experimental API and Paid Checkouts API, and 19 more.

Is there an OpenAPI specification for the Paid API?

Yes. APIs.io indexes 22 OpenAPI specifications for Paid, each linked for download from this page.

How do I authenticate with the Paid API?

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

How much does the Paid API cost?

Paid publishes its prices; its Free plan is $0 as of 2026-10-07. APIs.io lists 5 pricing plans for Paid, with each plan's price, limits and inclusions under Pricing on this page.

Does Paid have an MCP server?

Yes. APIs.io lists 1 MCP server for Paid: Paid publishes a hosted, remote MCP server over its documentation surface for AI clients (Claude Code, Cursor, etc.); it also drives conversational custom-view generation over the Paid platform.

Is the Paid API ready for AI agents?

Paid has a Kin Score of 66.6 out of 100 (exemplar) and an Agent Readiness score of 36.9 (agent-ready), scored by API Evangelist on 2026-11-06.

Work with this as data

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

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

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.

All 92 tools →

Call it yourself

curl for this page

This provider

curl "https://apis.io/api/v1/providers/paid"

All providers

curl "https://apis.io/api/v1/providers?limit=25"

Every operation they expose

curl "https://apis.io/api/v1/providers/paid/operations?limit=25"

How their score was established

curl "https://apis.io/api/v1/providers/paid/evidence"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

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A second provider on the same verified email joins the account you already have.