> ## Documentation Index
> Fetch the complete documentation index at: https://docs.o1.exchange/llms.txt
> Use this file to discover all available pages before exploring further.

# Prepare a launch

> Validate inputs, pin metadata, mine an 01 address, simulate, and return unsigned wallet steps when the active route has a registered selectable quote.



## OpenAPI

````yaml /launchpad-api-openapi.yaml post /launches/prepare
openapi: 3.1.0
info:
  title: o1 Launchpad Public API
  version: 1.0.0
  description: >-
    Non-custodial API for launchpad data and unsigned transaction preparation on
    Base and Robinhood.
servers:
  - url: https://api.launch.o1.exchange/v1
    description: Production
security:
  - ApiKeyAuth: []
tags:
  - name: Meta
    description: Service health and live integration configuration.
  - name: Tokens
    description: Token discovery, detail, activity, and holder data.
  - name: Wallets
    description: Public wallet activity and claim positions.
  - name: Transactions
    description: Indexed launchpad transaction state.
  - name: Launches
    description: Unsigned launch transaction preparation.
  - name: Swaps
    description: Exact-input swap quotes and unsigned router transactions.
  - name: Claims
    description: Unsigned fee and vesting claim transactions.
  - name: Creators
    description: Unsigned creator announcement and metadata transactions.
paths:
  /launches/prepare:
    post:
      tags:
        - Launches
      summary: Prepare a launch
      description: >-
        Validate inputs, pin metadata, mine an 01 address, simulate, and return
        unsigned wallet steps when the active route has a registered selectable
        quote.
      operationId: prepareLaunch
      parameters:
        - name: Idempotency-Key
          in: header
          required: true
          description: >-
            Unique key for safely retrying this operation. Reusing it with
            different input is rejected.
          schema:
            type: string
            minLength: 1
            maxLength: 255
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/LaunchPrepareRequest'
      responses:
        '200':
          description: An unsigned launch transaction plan.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LaunchPrepareResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '409':
          $ref: '#/components/responses/Conflict'
        '413':
          $ref: '#/components/responses/TooLarge'
        '422':
          $ref: '#/components/responses/Unprocessable'
        '429':
          $ref: '#/components/responses/RateLimited'
        '502':
          $ref: '#/components/responses/UpstreamError'
        '503':
          $ref: '#/components/responses/Unavailable'
        '504':
          $ref: '#/components/responses/UpstreamTimeout'
components:
  schemas:
    LaunchPrepareRequest:
      type: object
      required:
        - chain_id
        - creator
        - market
        - quote_address
        - token
      properties:
        chain_id:
          type: integer
          enum:
            - 8453
            - 4663
          examples:
            - 8453
        creator:
          type: string
          pattern: ^0x[0-9a-fA-F]{40}$
          examples:
            - '0x1111111111111111111111111111111111111111'
          not:
            const: '0x0000000000000000000000000000000000000000'
        market:
          type: string
          enum:
            - standard
            - rwa
        quote_address:
          type: string
          pattern: ^0x[0-9a-fA-F]{40}$
          examples:
            - '0x1111111111111111111111111111111111111111'
        token:
          type: object
          required:
            - name
            - symbol
            - image_base64
            - image_type
          properties:
            name:
              type: string
              minLength: 1
              maxLength: 50
            symbol:
              type: string
              minLength: 1
              maxLength: 11
              pattern: ^\S+$
            description:
              type: string
              maxLength: 2000
              default: ''
              description: Optional token description limited to 2000 UTF-8 bytes.
            image_base64:
              type: string
              minLength: 1
              maxLength: 3000000
              contentEncoding: base64
              description: >-
                Valid base64 image data whose decoded bytes are at most 2 MB and
                match image_type.
            image_type:
              type: string
              enum:
                - image/png
                - image/jpeg
                - image/webp
                - image/gif
            website:
              type: string
              format: uri
              maxLength: 2048
              pattern: ^https?://[^/]*\.[^/]+(?:/.*)?$
            x:
              type: string
              format: uri
              maxLength: 2048
              pattern: ^https?://(?:www\.)?x\.com/.+
            telegram:
              type: string
              format: uri
              maxLength: 2048
              pattern: ^https?://(?:www\.)?(?:t\.me|telegram\.me)/.+
            editable_metadata:
              type: boolean
              default: false
            extra_metadata:
              type: array
              maxItems: 16
              default: []
              description: Unique key-value entries with a combined 4096 UTF-8-byte limit.
              items:
                $ref: '#/components/schemas/MetadataPair'
        allocations:
          type: array
          maxItems: 128
          default: []
          items:
            $ref: '#/components/schemas/AllocationRequest'
        vesting:
          type: array
          maxItems: 64
          default: []
          items:
            $ref: '#/components/schemas/VestingRequest'
    LaunchPrepareResponse:
      type: object
      required:
        - data
        - meta
      properties:
        data:
          $ref: '#/components/schemas/LaunchPrepareResult'
        meta:
          $ref: '#/components/schemas/ResponseMeta'
    MetadataPair:
      type: object
      required:
        - key
        - value
      properties:
        key:
          type: string
          minLength: 1
          maxLength: 64
        value:
          type: string
          maxLength: 512
    AllocationRequest:
      type: object
      required:
        - recipient
        - amount
      properties:
        recipient:
          type: string
          pattern: ^0x[0-9a-fA-F]{40}$
          examples:
            - '0x1111111111111111111111111111111111111111'
          not:
            const: '0x0000000000000000000000000000000000000000'
        amount:
          type: string
          pattern: ^(?:0|[1-9][0-9]*)(?:\.[0-9]{1,18})?$
    VestingRequest:
      type: object
      required:
        - beneficiary
        - amount
        - steps
      properties:
        beneficiary:
          type: string
          pattern: ^0x[0-9a-fA-F]{40}$
          examples:
            - '0x1111111111111111111111111111111111111111'
          not:
            const: '0x0000000000000000000000000000000000000000'
        amount:
          type: string
          pattern: ^(?:0|[1-9][0-9]*)(?:\.[0-9]{1,18})?$
        steps:
          type: array
          minItems: 1
          maxItems: 24
          items:
            $ref: '#/components/schemas/VestingStepRequest'
    LaunchPrepareResult:
      allOf:
        - $ref: '#/components/schemas/TransactionPlan'
        - type: object
          required:
            - predicted_token_address
            - suite_id
            - metadata_uri
            - image_url
            - review
          properties:
            predicted_token_address:
              type: string
              pattern: ^0x[0-9a-fA-F]{40}$
              examples:
                - '0x1111111111111111111111111111111111111111'
            suite_id:
              type: string
            metadata_uri:
              type: string
            image_url:
              type:
                - string
                - 'null'
              format: uri
            creation_fee:
              $ref: '#/components/schemas/CreationFee'
            review:
              $ref: '#/components/schemas/LaunchReview'
    ResponseMeta:
      type: object
      required:
        - request_id
        - generated_at
        - warnings
      properties:
        request_id:
          type: string
          examples:
            - req_01JZZZZZZZZZZZZZZZZZZZZZZZ
        generated_at:
          type: string
          format: date-time
          examples:
            - '2026-07-31T12:00:00.000Z'
        warnings:
          type: array
          items:
            type: string
    Problem:
      type: object
      required:
        - type
        - title
        - status
        - code
        - detail
        - request_id
      properties:
        type:
          type: string
          format: uri
        title:
          type: string
        status:
          type: integer
          minimum: 400
          maximum: 599
        code:
          type: string
        detail:
          type: string
        instance:
          type: string
        request_id:
          type: string
    VestingStepRequest:
      type: object
      required:
        - delay_days
        - percent
      properties:
        delay_days:
          type: integer
          minimum: 1
          maximum: 49710
        percent:
          oneOf:
            - type: string
            - type: number
    TransactionPlan:
      type: object
      required:
        - chain_id
        - actor
        - prepared_at
        - expires_at
        - observed_block
        - issues
        - steps
      properties:
        chain_id:
          type: integer
          enum:
            - 8453
            - 4663
          examples:
            - 8453
        actor:
          type: string
          pattern: ^0x[0-9a-fA-F]{40}$
          examples:
            - '0x1111111111111111111111111111111111111111'
        prepared_at:
          type: string
          format: date-time
          examples:
            - '2026-07-31T12:00:00.000Z'
        expires_at:
          type: string
          format: date-time
          examples:
            - '2026-07-31T12:00:00.000Z'
        observed_block:
          type: string
          pattern: ^(0|[1-9][0-9]*)$
          examples:
            - '1000000000000000000'
        issues:
          type: array
          items:
            $ref: '#/components/schemas/PlanIssue'
        steps:
          type: array
          items:
            $ref: '#/components/schemas/TransactionStep'
    CreationFee:
      type: object
      required:
        - amount_raw
        - currency_address
      properties:
        amount_raw:
          type: string
          pattern: ^(0|[1-9][0-9]*)$
          examples:
            - '1000000000000000000'
        currency_address:
          type: string
          pattern: ^0x[0-9a-fA-F]{40}$
          examples:
            - '0x1111111111111111111111111111111111111111'
        decimals:
          type: integer
          minimum: 0
          maximum: 255
        symbol:
          type: string
    LaunchReview:
      type: object
      required:
        - market
        - token
        - quote_address
        - total_supply_raw
        - pool_supply_raw
        - allocations
        - vesting
      properties:
        market:
          type: string
          enum:
            - standard
            - rwa
        token:
          type: object
          required:
            - name
            - symbol
            - editable_metadata
            - extra_metadata
          properties:
            name:
              type: string
            symbol:
              type: string
            editable_metadata:
              type: boolean
            extra_metadata:
              type: array
              items:
                $ref: '#/components/schemas/MetadataPair'
        quote_address:
          type: string
          pattern: ^0x[0-9a-fA-F]{40}$
          examples:
            - '0x1111111111111111111111111111111111111111'
        total_supply_raw:
          type: string
          pattern: ^(0|[1-9][0-9]*)$
          examples:
            - '1000000000000000000'
        pool_supply_raw:
          type: string
          pattern: ^(0|[1-9][0-9]*)$
          examples:
            - '1000000000000000000'
        allocations:
          type: array
          items:
            $ref: '#/components/schemas/LaunchReviewAllocation'
        vesting:
          type: array
          items:
            $ref: '#/components/schemas/LaunchReviewVesting'
    PlanIssue:
      type: object
      required:
        - code
        - severity
      properties:
        code:
          type: string
        severity:
          type: string
          enum:
            - blocking
            - action_required
            - warning
        detail:
          type: string
        asset:
          type: string
          pattern: ^0x[0-9a-fA-F]{40}$
          examples:
            - '0x1111111111111111111111111111111111111111'
        spender:
          type: string
          pattern: ^0x[0-9a-fA-F]{40}$
          examples:
            - '0x1111111111111111111111111111111111111111'
        actual_raw:
          type: string
          pattern: ^(0|[1-9][0-9]*)$
          examples:
            - '1000000000000000000'
        required_raw:
          type: string
          pattern: ^(0|[1-9][0-9]*)$
          examples:
            - '1000000000000000000'
        remediation_step_id:
          type: string
    TransactionStep:
      oneOf:
        - type: object
          required:
            - id
            - kind
            - label
            - depends_on
            - transaction
          properties:
            id:
              type: string
            kind:
              type: string
              const: transaction
            label:
              type: string
            depends_on:
              type: array
              items:
                type: string
            transaction:
              $ref: '#/components/schemas/TransactionRequest'
            simulation:
              $ref: '#/components/schemas/Simulation'
        - type: object
          required:
            - id
            - kind
            - label
            - depends_on
            - typed_data
          properties:
            id:
              type: string
            kind:
              type: string
              const: typed_data
            label:
              type: string
            depends_on:
              type: array
              items:
                type: string
            typed_data:
              $ref: '#/components/schemas/TypedDataRequest'
            simulation:
              $ref: '#/components/schemas/Simulation'
    LaunchReviewAllocation:
      type: object
      required:
        - recipient
        - amount_raw
      properties:
        recipient:
          type: string
          pattern: ^0x[0-9a-fA-F]{40}$
          examples:
            - '0x1111111111111111111111111111111111111111'
        amount_raw:
          type: string
          pattern: ^(0|[1-9][0-9]*)$
          examples:
            - '1000000000000000000'
    LaunchReviewVesting:
      type: object
      required:
        - beneficiary
        - amount_raw
        - steps
      properties:
        beneficiary:
          type: string
          pattern: ^0x[0-9a-fA-F]{40}$
          examples:
            - '0x1111111111111111111111111111111111111111'
        amount_raw:
          type: string
          pattern: ^(0|[1-9][0-9]*)$
          examples:
            - '1000000000000000000'
        steps:
          type: array
          items:
            $ref: '#/components/schemas/LaunchReviewVestingStep'
    TransactionRequest:
      type: object
      required:
        - chain_id
        - from
        - to
        - data
        - value
      properties:
        chain_id:
          type: integer
          enum:
            - 8453
            - 4663
          examples:
            - 8453
        from:
          type: string
          pattern: ^0x[0-9a-fA-F]{40}$
          examples:
            - '0x1111111111111111111111111111111111111111'
        to:
          type: string
          pattern: ^0x[0-9a-fA-F]{40}$
          examples:
            - '0x1111111111111111111111111111111111111111'
        data:
          type: string
          pattern: ^0x(?:[0-9a-fA-F]{2})*$
        value:
          type: string
          pattern: ^(0|[1-9][0-9]*)$
          examples:
            - '1000000000000000000'
    Simulation:
      type: object
      required:
        - status
      properties:
        status:
          type: string
          enum:
            - succeeded
            - not_run
        block_number:
          type: string
          pattern: ^(0|[1-9][0-9]*)$
          examples:
            - '1000000000000000000'
    TypedDataRequest:
      type: object
      required:
        - domain
        - types
        - primaryType
        - message
      properties:
        domain:
          $ref: '#/components/schemas/Permit2TypedDataDomain'
        types:
          $ref: '#/components/schemas/Permit2TypedDataTypes'
        primaryType:
          type: string
          const: PermitSingle
        message:
          $ref: '#/components/schemas/Permit2Message'
    LaunchReviewVestingStep:
      type: object
      required:
        - delay_seconds
        - cumulative_bps
        - cumulative_amount_raw
      properties:
        delay_seconds:
          type: integer
          minimum: 86400
        cumulative_bps:
          type: integer
          minimum: 1
          maximum: 10000
        cumulative_amount_raw:
          type: string
          pattern: ^(0|[1-9][0-9]*)$
          examples:
            - '1000000000000000000'
    Permit2TypedDataDomain:
      type: object
      required:
        - name
        - chainId
        - verifyingContract
      properties:
        name:
          type: string
          const: Permit2
        chainId:
          type: integer
          enum:
            - 8453
            - 4663
          examples:
            - 8453
        verifyingContract:
          type: string
          pattern: ^0x[0-9a-fA-F]{40}$
          examples:
            - '0x1111111111111111111111111111111111111111'
    Permit2TypedDataTypes:
      type: object
      required:
        - PermitSingle
        - PermitDetails
      properties:
        PermitSingle:
          type: array
          items:
            $ref: '#/components/schemas/TypedDataField'
        PermitDetails:
          type: array
          items:
            $ref: '#/components/schemas/TypedDataField'
    Permit2Message:
      type: object
      required:
        - details
        - spender
        - sigDeadline
      properties:
        details:
          $ref: '#/components/schemas/Permit2DetailsMessage'
        spender:
          type: string
          pattern: ^0x[0-9a-fA-F]{40}$
          examples:
            - '0x1111111111111111111111111111111111111111'
        sigDeadline:
          type: string
          pattern: ^(0|[1-9][0-9]*)$
          examples:
            - '1000000000000000000'
    TypedDataField:
      type: object
      required:
        - name
        - type
      properties:
        name:
          type: string
        type:
          type: string
    Permit2DetailsMessage:
      type: object
      required:
        - token
        - amount
        - expiration
        - nonce
      properties:
        token:
          type: string
          pattern: ^0x[0-9a-fA-F]{40}$
          examples:
            - '0x1111111111111111111111111111111111111111'
        amount:
          type: string
          pattern: ^(0|[1-9][0-9]*)$
          examples:
            - '1000000000000000000'
        expiration:
          type: integer
          minimum: 1
        nonce:
          type: integer
          minimum: 0
  responses:
    BadRequest:
      description: The request syntax, parameter combination, cursor, or body is invalid.
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/Problem'
    Unauthorized:
      description: >-
        The API key is missing, malformed, expired, revoked, or otherwise
        invalid.
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/Problem'
    Forbidden:
      description: >-
        The API key scope, browser origin, or connected wallet is not
        authorized.
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/Problem'
    Conflict:
      description: >-
        The request conflicts with current cursor, quote, claim, chain, or
        idempotency state.
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/Problem'
    TooLarge:
      description: The request body exceeds the operation's supported size.
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/Problem'
    Unprocessable:
      description: >-
        The request is valid JSON but is unsupported, invalid on-chain, or not
        executable.
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/Problem'
    RateLimited:
      description: >-
        The key, wallet, token, creator, or expensive operation exceeded a rate
        or concurrency limit.
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/Problem'
      headers:
        Retry-After:
          description: Seconds until the limited operation may be retried.
          schema:
            type: integer
            minimum: 1
    UpstreamError:
      description: >-
        A required chain, metadata, indexer, or holder provider returned an
        invalid response.
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/Problem'
    Unavailable:
      description: >-
        A required service, chain dependency, cursor signer, or holder snapshot
        is unavailable.
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/Problem'
    UpstreamTimeout:
      description: A required upstream service timed out.
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/Problem'
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key
      description: Production API key beginning with o1_launch_.

````