WunderCorp

WunderCorp OpenModel Pricing API

Paid access to effective-dated model pricing and cost-weighted allowance estimates.

Documentation GitHub OpenAPI

Operations 2

POST /v1/pricing/estimate OpenModel pricing estimate #

POST /mpp/openmodel/pricing/estimate OpenModel pricing estimate #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Wundership MPP OpenModel Pricing 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: Paid access to effective-dated model pricing and cost-weighted allowance estimates.
  name: OpenModel Pricing
paths:
  /v1/pricing/estimate:
    post:
      tags:
      - OpenModel Pricing
      summary: OpenModel pricing estimate
      description: Resolve effective-dated provider pricing and cost-weighted monthly allowance consumption after machine payment. 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: postOpenmodelPricingEstimate
      requestBody:
        content:
          application/json:
            schema:
              type: object
              additionalProperties: false
              required:
              - provider
              - model
              - usage
              properties:
                usage:
                  type: object
                  properties:
                    inputTokens:
                      minimum: 0
                      type: integer
                      format: int64
                    outputTokens:
                      minimum: 0
                      type: integer
                      format: int64
                    cachedInputTokens:
                      minimum: 0
                      type: integer
                      format: int64
                    cacheWriteTokens:
                      minimum: 0
                      type: integer
                      format: int64
                    reasoningTokens:
                      minimum: 0
                      type: integer
                      format: int64
                  additionalProperties: false
                region:
                  default: global
                  type: string
                serviceTier:
                  default: default
                  type: string
                model:
                  type: string
                provider:
                  type: string
                occurredAt:
                  format: date-time
                  type: string
            examples:
              pricingEstimate:
                value:
                  usage:
                    cacheWriteTokens: 0
                    inputTokens: 1000000
                    reasoningTokens: 0
                    cachedInputTokens: 0
                    outputTokens: 250000
                  provider: openai
                  model: gpt-4o-mini
                  region: global
                  serviceTier: default
                summary: Estimate provider cost and cost-weighted allowance consumption
        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: openmodel_pricing_estimate
                    type: string
                  paymentVerified:
                    type: boolean
                  result:
                    type: object
                    additionalProperties: true
                  ok:
                    type: boolean
                  productName:
                    example: OpenModel pricing estimate
                    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: 1
        display: '0.01'
        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: '0.010000'
          mode: fixed
          currency: USD
        pricingMode: fixed
        currency: USD
        amount: '0.010000'
        unit: request
        protocols:
        - mpp:
            method: stripe
            intent: charge
            currency: USD
            networkId: profile_61UuYA3H1dpGiR9soA6UuYA20RSQieSC6KcBS11OK1dI
            paymentMethodTypes:
            - card
            - link
        offers:
        - method: stripe
          intent: charge
          amount: '1'
          currency: usd
          networkId: profile_61UuYA3H1dpGiR9soA6UuYA20RSQieSC6KcBS11OK1dI
          paymentMethodTypes:
          - card
          - link
  /mpp/openmodel/pricing/estimate:
    post:
      tags:
      - OpenModel Pricing
      summary: OpenModel pricing estimate
      description: Resolve effective-dated provider pricing and cost-weighted monthly allowance consumption after machine payment. This path is deprecated. Use https://mpp.openmodel.sh/v1/pricing/estimate instead.
      operationId: postMppOpenmodelPricingEstimate
      requestBody:
        content:
          application/json:
            schema:
              type: object
              additionalProperties: false
              required:
              - provider
              - model
              - usage
              properties:
                usage:
                  type: object
                  properties:
                    inputTokens:
                      minimum: 0
                      type: integer
                      format: int64
                    outputTokens:
                      minimum: 0
                      type: integer
                      format: int64
                    cachedInputTokens:
                      minimum: 0
                      type: integer
                      format: int64
                    cacheWriteTokens:
                      minimum: 0
                      type: integer
                      format: int64
                    reasoningTokens:
                      minimum: 0
                      type: integer
                      format: int64
                  additionalProperties: false
                region:
                  default: global
                  type: string
                serviceTier:
                  default: default
                  type: string
                model:
                  type: string
                provider:
                  type: string
                occurredAt:
                  format: date-time
                  type: string
            examples:
              pricingEstimate:
                value:
                  usage:
                    cacheWriteTokens: 0
                    inputTokens: 1000000
                    reasoningTokens: 0
                    cachedInputTokens: 0
                    outputTokens: 250000
                  provider: openai
                  model: gpt-4o-mini
                  region: global
                  serviceTier: default
                summary: Estimate provider cost and cost-weighted allowance consumption
        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: openmodel_pricing_estimate
                    type: string
                  paymentVerified:
                    type: boolean
                  result:
                    type: object
                    additionalProperties: true
                  ok:
                    type: boolean
                  productName:
                    example: OpenModel pricing estimate
                    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: 1
        display: '0.01'
        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: '0.010000'
          mode: fixed
          currency: USD
        pricingMode: fixed
        currency: USD
        amount: '0.010000'
        unit: request
        protocols:
        - mpp:
            method: stripe
            intent: charge
            currency: USD
            networkId: profile_61UuYA3H1dpGiR9soA6UuYA20RSQieSC6KcBS11OK1dI
            paymentMethodTypes:
            - card
            - link
        offers:
        - method: stripe
          intent: charge
          amount: '1'
          currency: usd
          networkId: profile_61UuYA3H1dpGiR9soA6UuYA20RSQieSC6KcBS11OK1dI
          paymentMethodTypes:
          - card
          - link
      deprecated: true
      x-successor-path: /v1/pricing/estimate
      x-operation-id-source: normalized
      x-operation-id-original: postOpenmodelPricingEstimate
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