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openapi: 3.2.0
info:
title: Wundership MPP App Planning API
version: '2026-07-15'
description: Public OpenAPI surface for Wundership machine-paid agent requests. Unpaid requests return HTTP 402 Payment Required.
guidance: Use POST /v1/plan with a JSON body containing a prompt or idea to buy a structured Wundership software plan. Discovery endpoints are public. Paid operations declare x-payment-info and return HTTP 402 Payment Required until payment is authorized. After payment, retry the same request with the payment authorization or verified proxy headers described by the payment challenge.
x-guidance: Use POST /v1/plan with a JSON body containing a prompt or idea to buy a structured Wundership software plan. Discovery endpoints are public. Paid operations declare x-payment-info and return HTTP 402 Payment Required until payment is authorized. After payment, retry the same request with the payment authorization or verified proxy headers described by the payment challenge.
contact:
email: hello@wundercorp.co
url: https://wundercorp.co
name: WunderCorp, Inc.
servers:
- url: https://mpp.openmodel.sh
tags:
- description: Software planning and implementation direction for agent callers.
name: App Planning
paths:
/v1/plan:
post:
tags:
- App Planning
summary: Wundership app plan
description: Generate a structured software plan, product outline, feature map, and implementation-ready app direction. This is a paid machine-payment endpoint. Unpaid calls return HTTP 402 Payment Required with machine-payment metadata. Retry the same request after payment authorization.
operationId: postWundershipPlan
requestBody:
content:
application/json:
schema:
type: object
additionalProperties: false
required:
- prompt
properties:
project_name:
description: Optional project or product name.
type: string
prompt:
description: Software idea, product request, or agent task to turn into an implementation-ready plan.
type: string
preferred_stack:
description: Preferred technical stack, framework, language, or deployment target.
type: string
target_customer:
description: Who the app or software plan is for.
type: string
output_format:
description: Requested output style, such as implementation_plan, product_outline, or feature_map.
type: string
constraints:
description: Hard requirements, limits, or product constraints.
items:
type: string
type: array
examples:
softwarePlan:
value:
project_name: Agent Market
prompt: Build a marketplace for AI agents that can buy and sell paid API calls.
preferred_stack: Next.js, Spring Boot, PostgreSQL, Stripe
target_customer: Founders, AI builders, and autonomous agents
output_format: implementation_plan
constraints:
- Use a machine-payment endpoint
- Return clear implementation phases
summary: Generate an implementation-ready app plan
required: true
responses:
'200':
content:
application/json:
schema:
type: object
required:
- ok
- provider
- productKey
- paymentVerified
- result
properties:
generatedAt:
format: date-time
type: string
provider:
example: wundership
type: string
productKey:
example: wundership_plan
type: string
paymentVerified:
type: boolean
result:
type: object
additionalProperties: true
properties:
productBrief:
type: string
buildPhases:
items:
type: string
type: array
recommendedNextPaidCall:
additionalProperties: true
type: object
risks:
items:
type: string
type: array
architecture:
items:
type: string
type: array
ok:
type: boolean
productName:
example: Wundership app plan
type: string
receipt:
type: string
description: Paid request completed
'402':
headers:
WWW-Authenticate:
schema:
type: string
description: Machine-payment challenge header when a compatible payment rail is active.
X-Wundership-Agent-Price:
schema:
type: string
description: Human-readable price for the paid endpoint.
content:
application/json:
schema:
$ref: '#/components/schemas/PaymentRequired'
description: Payment required
'502':
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
description: Paid forwarding failed
x-agent-price:
minorUnits: 100
display: '1.00'
currency: USD
x-machine-payment-protocols:
- mpp
x-machine-payment-rails:
- key: stripe_spt
method: stripe
intent: charge
networkId: profile_61UuYA3H1dpGiR9soA6UuYA20RSQieSC6KcBS11OK1dI
paymentMethodTypes:
- card
- link
description: Stripe Shared Payment Token rail for card and Link machine payments.
x-payment-info:
price:
amount: '1.000000'
mode: fixed
currency: USD
pricingMode: fixed
currency: USD
amount: '1.000000'
unit: request
protocols:
- mpp:
method: stripe
intent: charge
currency: USD
networkId: profile_61UuYA3H1dpGiR9soA6UuYA20RSQieSC6KcBS11OK1dI
paymentMethodTypes:
- card
- link
offers:
- method: stripe
intent: charge
amount: '100'
currency: usd
networkId: profile_61UuYA3H1dpGiR9soA6UuYA20RSQieSC6KcBS11OK1dI
paymentMethodTypes:
- card
- link
/mpp/plan:
post:
tags:
- App Planning
summary: Wundership app plan
description: Generate a structured software plan, product outline, feature map, and implementation-ready app direction. This path is deprecated. Use https://mpp.openmodel.sh/v1/plan instead.
operationId: postMppPlan
requestBody:
content:
application/json:
schema:
type: object
additionalProperties: false
required:
- prompt
properties:
project_name:
description: Optional project or product name.
type: string
prompt:
description: Software idea, product request, or agent task to turn into an implementation-ready plan.
type: string
preferred_stack:
description: Preferred technical stack, framework, language, or deployment target.
type: string
target_customer:
description: Who the app or software plan is for.
type: string
output_format:
description: Requested output style, such as implementation_plan, product_outline, or feature_map.
type: string
constraints:
description: Hard requirements, limits, or product constraints.
items:
type: string
type: array
examples:
softwarePlan:
value:
project_name: Agent Market
prompt: Build a marketplace for AI agents that can buy and sell paid API calls.
preferred_stack: Next.js, Spring Boot, PostgreSQL, Stripe
target_customer: Founders, AI builders, and autonomous agents
output_format: implementation_plan
constraints:
- Use a machine-payment endpoint
- Return clear implementation phases
summary: Generate an implementation-ready app plan
required: true
responses:
'200':
content:
application/json:
schema:
type: object
required:
- ok
- provider
- productKey
- paymentVerified
- result
properties:
generatedAt:
format: date-time
type: string
provider:
example: wundership
type: string
productKey:
example: wundership_plan
type: string
paymentVerified:
type: boolean
result:
type: object
additionalProperties: true
properties:
productBrief:
type: string
buildPhases:
items:
type: string
type: array
recommendedNextPaidCall:
additionalProperties: true
type: object
risks:
items:
type: string
type: array
architecture:
items:
type: string
type: array
ok:
type: boolean
productName:
example: Wundership app plan
type: string
receipt:
type: string
description: Paid request completed
'402':
headers:
WWW-Authenticate:
schema:
type: string
description: Machine-payment challenge header when a compatible payment rail is active.
X-Wundership-Agent-Price:
schema:
type: string
description: Human-readable price for the paid endpoint.
content:
application/json:
schema:
$ref: '#/components/schemas/PaymentRequired'
description: Payment required
'502':
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
description: Paid forwarding failed
x-agent-price:
minorUnits: 100
display: '1.00'
currency: USD
x-machine-payment-protocols:
- mpp
x-machine-payment-rails:
- key: stripe_spt
method: stripe
intent: charge
networkId: profile_61UuYA3H1dpGiR9soA6UuYA20RSQieSC6KcBS11OK1dI
paymentMethodTypes:
- card
- link
description: Stripe Shared Payment Token rail for card and Link machine payments.
x-payment-info:
price:
amount: '1.000000'
mode: fixed
currency: USD
pricingMode: fixed
currency: USD
amount: '1.000000'
unit: request
protocols:
- mpp:
method: stripe
intent: charge
currency: USD
networkId: profile_61UuYA3H1dpGiR9soA6UuYA20RSQieSC6KcBS11OK1dI
paymentMethodTypes:
- card
- link
offers:
- method: stripe
intent: charge
amount: '100'
currency: usd
networkId: profile_61UuYA3H1dpGiR9soA6UuYA20RSQieSC6KcBS11OK1dI
paymentMethodTypes:
- card
- link
deprecated: true
x-successor-path: /v1/plan
x-operation-id-source: normalized
x-operation-id-original: postWundershipPlan
/mpp/aurelius/plan:
post:
tags:
- App Planning
summary: Wundership app plan
description: Generate a structured software plan, product outline, feature map, and implementation-ready app direction. This path is deprecated. Use https://mpp.openmodel.sh/v1/plan instead.
operationId: postMppAureliusPlan
requestBody:
content:
application/json:
schema:
type: object
additionalProperties: false
required:
- prompt
properties:
project_name:
description: Optional project or product name.
type: string
prompt:
description: Software idea, product request, or agent task to turn into an implementation-ready plan.
type: string
preferred_stack:
description: Preferred technical stack, framework, language, or deployment target.
type: string
target_customer:
description: Who the app or software plan is for.
type: string
output_format:
description: Requested output style, such as implementation_plan, product_outline, or feature_map.
type: string
constraints:
description: Hard requirements, limits, or product constraints.
items:
type: string
type: array
examples:
softwarePlan:
value:
project_name: Agent Market
prompt: Build a marketplace for AI agents that can buy and sell paid API calls.
preferred_stack: Next.js, Spring Boot, PostgreSQL, Stripe
target_customer: Founders, AI builders, and autonomous agents
output_format: implementation_plan
constraints:
- Use a machine-payment endpoint
- Return clear implementation phases
summary: Generate an implementation-ready app plan
required: true
responses:
'200':
content:
application/json:
schema:
type: object
required:
- ok
- provider
- productKey
- paymentVerified
- result
properties:
generatedAt:
format: date-time
type: string
provider:
example: wundership
type: string
productKey:
example: wundership_plan
type: string
paymentVerified:
type: boolean
result:
type: object
additionalProperties: true
properties:
productBrief:
type: string
buildPhases:
items:
type: string
type: array
recommendedNextPaidCall:
additionalProperties: true
type: object
risks:
items:
type: string
type: array
architecture:
items:
type: string
type: array
ok:
type: boolean
productName:
example: Wundership app plan
type: string
receipt:
type: string
description: Paid request completed
'402':
headers:
WWW-Authenticate:
schema:
type: string
description: Machine-payment challenge header when a compatible payment rail is active.
X-Wundership-Agent-Price:
schema:
type: string
description: Human-readable price for the paid endpoint.
content:
application/json:
schema:
$ref: '#/components/schemas/PaymentRequired'
description: Payment required
'502':
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
description: Paid forwarding failed
x-agent-price:
minorUnits: 100
display: '1.00'
currency: USD
x-machine-payment-protocols:
- mpp
x-machine-payment-rails:
- key: stripe_spt
method: stripe
intent: charge
networkId: profile_61UuYA3H1dpGiR9soA6UuYA20RSQieSC6KcBS11OK1dI
paymentMethodTypes:
- card
- link
description: Stripe Shared Payment Token rail for card and Link machine payments.
x-payment-info:
price:
amount: '1.000000'
mode: fixed
currency: USD
pricingMode: fixed
currency: USD
amount: '1.000000'
unit: request
protocols:
- mpp:
method: stripe
intent: charge
currency: USD
networkId: profile_61UuYA3H1dpGiR9soA6UuYA20RSQieSC6KcBS11OK1dI
paymentMethodTypes:
- card
- link
offers:
- method: stripe
intent: charge
amount: '100'
currency: usd
networkId: profile_61UuYA3H1dpGiR9soA6UuYA20RSQieSC6KcBS11OK1dI
paymentMethodTypes:
- card
- link
deprecated: true
x-successor-path: /v1/plan
x-operation-id-source: normalized
x-operation-id-original: postWundershipPlan
components:
schemas:
ErrorResponse:
type: object
properties:
error:
type: string
message:
type: string
fallback:
type: string
additionalProperties: true
PaymentRequired:
type: object
required:
- error
- status
- resource
- amount
- payment
properties:
error:
example: payment_required
type: string
type:
example: machine_payment_required
type: string
status:
example: 402
type: integer
protocols:
items:
type: string
type: array
provider:
example: wundership
type: string
resource:
format: uri
type: string
product:
additionalProperties: true
type: object
amount:
additionalProperties: true
type: object
payment:
additionalProperties: true
type: object
requestId:
type: string
securitySchemes:
mppPayment:
description: MPP payment authorization returned after satisfying the HTTP 402 challenge.
scheme: Payment
type: http