openapi: 3.2.0
info:
  title: ServGhost Agent Topup API
  version: 2.0.0
  description: Public REST API for AI agents to discover, price, top up balance and deploy offshore VPS, dedicated, Windows RDP and GPU AI servers on servghost.com, plus anonymous domain name registration (26 TLDs, .com from $4.99/yr — -69% vs Namecheap renewal).
  contact:
    url: https://servghost.com/agents
  license:
    name: Proprietary
servers:
- url: https://servghost.com
tags:
- name: Top Up
paths:
  /api/v1/topup/bonus:
    get:
      summary: Top-up bonus tier table (no auth)
      description: 'Returns the bonus credit applied on top-up confirmation. Anchors: $100→+$25, $250→+$75, $500→+$200, $1000→+$500, $1500→+$1000, $2000→+$2000. Linear interpolation between adjacent anchors (floor to cent precision). No bonus below $100.'
      responses:
        '200':
          description: Bonus tiers
          content:
            application/json:
              example:
                ok: true
                minimum_usd: 30
                maximum_usd: 2000
                no_bonus_below_usd: 100
                anchors:
                - top_up_usd: 100
                  bonus_usd: 25
                  credited_usd: 125
                  effective_pct: 25.0
                - top_up_usd: 2000
                  bonus_usd: 2000
                  credited_usd: 4000
                  effective_pct: 100.0
                interpolation: Linear between adjacent anchors; floor to cent precision.
                sample_amounts:
                - top_up_usd: 30
                  bonus_usd: 0
                  credited_usd: 30
                - top_up_usd: 100
                  bonus_usd: 25
                  credited_usd: 125
                - top_up_usd: 500
                  bonus_usd: 200
                  credited_usd: 700
      tags:
      - Top Up
      operationId: getApiV1TopupBonus
      x-operation-id-source: derived
  /api/v1/topup:
    post:
      summary: Top up USD balance with crypto (min $30, max $2000)
      description: Creates a crypto deposit invoice. On confirmation (push from the payment orchestrator), the user's USD balance is credited with `amount + bonus`. Bonus tiers in GET /api/v1/topup/bonus. Bearer optional — if absent, a new account is created and the token is returned in the response (STORE IT, it cannot be recovered).
      requestBody:
        required: true
        content:
          application/json:
            example:
              amount: 200
              crypto: XMR
      responses:
        '201':
          description: Top-up invoice created
          content:
            application/json:
              example:
                ok: true
                payment_id: 12345
                order_number: '428193'
                amount_usd: 200.0
                crypto: XMR
                crypto_name: Monero
                amount_crypto: '1.2034'
                address: 47abc...
                qr_data_uri: data:image/png;base64,...
                deposit_tag: ''
                network: Monero
                expires_in: 3600
                bonus_usd: 50.0
                credited_usd: 250.0
                balance_before: 0.0
                balance_after_credit: 250.0
                poll_url: https://servghost.com/api/v1/topup/12345
                next_step: Send 1.2034 XMR to address. Poll poll_url until status=confirmed (balance credit + bonus applied automatically).
                account_token: AAAA-BBBB-CCCC-DDDD
        '400':
          description: Amount below $30 or above $2000, or unsupported crypto
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '429':
          description: Rate limited
        '503':
          description: Crypto checkout temporarily unavailable (try another coin)
        '402':
          description: 'x402 Payment Required — returned when X-Payment-Mode: x402 is sent without a valid X-Payment header. Body contains the x402 ''accepts'' array (scheme ''exact'', network ''base'', USDC asset address, amount, payTo). Sign an EIP-3009 transferWithAuthorization for the quoted amount and retry the same request with the ''X-Payment'' header.'
          content:
            application/json:
              example:
                x402Version: 1
                accepts:
                - scheme: exact
                  network: base
                  maxAmountRequired: '30000000'
                  asset: '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913'
                  payTo: <deposit address>
                  resource: /api/v1/topup
                  description: Balance top-up
      parameters:
      - name: X-Payment-Mode
        in: header
        required: false
        schema:
          type: string
          enum:
          - x402
        description: Set to 'x402' to pay via the x402 protocol (scheme 'exact', USDC on Base, EIP-3009 transferWithAuthorization). The first request returns HTTP 402 with an 'accepts' block; retry with the signed 'X-Payment' header to settle and credit the balance.
      tags:
      - Top Up
      operationId: postApiV1Topup
      x-operation-id-source: derived
  /api/v1/topup/{id}:
    get:
      summary: Poll top-up status
      description: Returns pending → confirmed (balance credited + bonus applied) or expired. Once status=confirmed, the bonus is already in the balance — call POST /api/v1/orders next.
      security:
      - BearerAuth: []
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: integer
      responses:
        '200':
          description: Top-up state
      tags:
      - Top Up
      operationId: getApiV1TopupById
      x-operation-id-source: derived
components:
  schemas:
    Error:
      type: object
      required:
      - ok
      - error
      - message
      properties:
        ok:
          type: boolean
          const: false
        error:
          type: string
          description: machine-readable code
        message:
          type: string
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: AAAA-BBBB-CCCC-DDDD
x-mcp-server: https://servghost.com/mcp
x-discovery: https://servghost.com/.well-known/agent.json
x-payment-model: 'balance-only: POST /api/v1/topup (min $30, max $2000, with bonus tiers) → wait for confirmation → POST /api/v1/orders (balance-debit, server active immediately)'
x-dry-run:
  trigger: 'Header X-Dry-Run: 1 OR ?dry_run=1 OR body.dry_run=true'
  behavior: Synthetic response, no balance impact, no provisioning. Returned shape mirrors the real one with `dry_run:true` + a `note` field.