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# CryptoPunks API Documentation

This file provides API specifications for cryptopunks.app, a website for exploring CryptoPunks NFT data, traits, bids, images, and market information.

## Base URL
https://cryptopunks.app

## API Endpoints

### Punk Data

#### Get Individual Punk
GET /api/punks/{punkIndex}
- Description: Get basic information about a specific punk by index (0-9999)
- Parameters:
  - punkIndex (path): Integer between 0 and 9999
- Response: JSON object with punk data including owner, assigned status, sale/bid information
  - Example Response:

```json
{
  "success": true,
  "data": {
    "id": "1234",
    "index": 1234,
    "ownerAddress": "0x2c81cee7050c9d03295560851ffde123bdf9696a",
    "isForSale": false,
    "hasBid": false,
    "attributes": [],
    "attributeCount": 0,
    "type": "MALE",
    "wrapped": false,
    "typeName": "Male",
    "isHuman": true,
    "typeCount": 6039,
    "attributeCountTotal": 8,
    "isForSaleToAnyone": false,
    "isWrappedLegacy": false,
    "isWrappedNewContract": false,
    "wrappedBackgroundColor": "#00FF00",
    "openSeaUrl": null,
    "createdAt": "2026-01-20T15:33:20.268Z",
    "updatedAt": "2026-01-20T15:33:20.268Z"
  }
}
```

#### Get Punk Details
GET /api/punks/{punkIndex}/details
- Description: Get detailed information about a specific punk including transaction history
- Parameters:
  - punkIndex (path): Integer between 0 and 9999
  - includeHistory (query, optional): Boolean, set to "true" to include transaction history
- Response: JSON object with comprehensive punk data including metadata, owner, offers, bids, and optional transaction history
  - Example Response:

```json
{
  "success": true,
  "data": {
    "id": "1234",
    "index": 1234,
    "ownerAddress": "0x2c81cee7050c9d03295560851ffde123bdf9696a",
    "assigned": true,
    "isForSale": true,
    "sellerAddress": "0x1111111111111111111111111111111111111111",
    "offerValue": "150000000000000000",
    "onlySellToAddress": null,
    "hasBid": true,
    "bidderAddress": "0x2222222222222222222222222222222222222222",
    "bidValue": "140000000000000000",
    "attributes": ["Beanie", "Small Shades"],
    "attributeCount": 2,
    "type": "MALE",
    "wrapped": false,
    "transactionHistory": [
      {
        "type": "Sale",
        "from": {
          "address": "0x3333333333333333333333333333333333333333",
          "ens": "seller.eth"
        },
        "to": {
          "address": "0x2c81cee7050c9d03295560851ffde123bdf9696a",
          "ens": "buyer.eth"
        },
        "amount": "100000000000000000",
        "amountUsd": 350000,
        "timestamp": 1700000000,
        "transactionHash": "0xaaaa...",
        "blockPosition": 1
      }
    ],
    "createdAt": "2021-01-01T00:00:00.000Z",
    "updatedAt": "2026-01-20T15:33:20.268Z"
  }
}
```

#### Get Punk Metadata
GET /api/punks/{punkIndex}/metadata
- Description: Get metadata for a specific punk including type and attributes
- Parameters:
  - punkIndex (path): Integer between 0 and 9999
- Response: JSON object with type (Male/Female/Alien/Ape/Zombie), attributes array, and attribute counts
  - Example Response:

```json
{
  "success": true,
  "data": {
    "id": "1234",
    "index": 1234,
    "type": "MALE",
    "typeName": "Male",
    "isHuman": true,
    "attributes": ["Beanie", "Small Shades"],
    "attributeCount": 2,
    "typeCount": 6039,
    "attributeCountTotal": 8,
    "createdAt": "2021-01-01T00:00:00.000Z",
    "updatedAt": "2026-01-20T15:33:20.268Z"
  }
}
```

#### Get Punk Image
GET /api/punks/{punkIndex}/image
- Description: Get an upscaled PNG image of a specific punk
- Parameters:
  - punkIndex (path): Integer between 0 and 9999
  - transparent (query, optional): Boolean, set to "true" for transparent background
  - bg (query, optional): Hex color code for background color (default: black)
  - forSale (query, optional): Boolean, adds for-sale indicator overlay
  - hasBid (query, optional): Boolean, adds bid indicator overlay
  - transfer (query, optional): Boolean, adds transfer indicator overlay
- Response: PNG image (1024x1024 pixels)
  - Example Response:

```text
Binary PNG image data (1024x1024)
Content-Type: image/png
```

### Traits

#### Get Punk Traits
GET /api/traits/{punkId}
- Description: Get traits (attributes) for a specific punk
- Parameters:
  - punkId (path): Integer between 0 and 9999
- Response: JSON object with punkId, type, and attributes array
  - Example Response:

```json
{
  "success": true,
  "data": {
    "punkId": 1234,
    "type": "MALE",
    "typeName": "Male",
    "attributes": ["Beanie", "Small Shades"],
    "attributeCount": 2
  }
}
```

### Market Data

#### Get Punks List (Multiple Actions)
GET /api/punks?action={action}
- Description: Get various market data and punk lists based on action parameter
- Parameters:
  - action (query): One of the following:
    - "index": Get homepage data (offered punks, bids, recent sales, top sales, wrapped punks, stats)
    - "floor": Get current floor price
    - "floor-punk": Get the punk with the lowest offer price
    - "offered": Get all punks currently for sale with full details
    - "offered-ids": Get array of punk IDs that are currently for sale
    - "bids": Get all punks with active bids
    - "all-bids": Get all active bids
    - "wrapped": Get wrapped punks
    - "wrapped-transfers": Get wrapped punk transfers (requires punkId query param)
    - "new-wrapped": Get newly wrapped punks
    - "leaderboard": Get top holders leaderboard
    - "attributes": Get attribute statistics
    - "recent-sales": Get recent sales (optional count query param, default 20, max 50)
    - "top-sales": Get top sales by value
    - "batch-recent-history": Get recent history for multiple punks (requires punkIds query param as comma-separated or JSON array)
- Response: JSON object with success flag and data array/object
  - Example Response (`action=index`):

```json
{
  "success": true,
  "data": {
    "offered": [
      {
        "index": 1234,
        "offerValue": "150000000000000000",
        "sellerAddress": "0x1111111111111111111111111111111111111111",
        "isForSaleToAnyone": true
      }
    ],
    "bids": [
      {
        "index": 4321,
        "bidValue": "120000000000000000",
        "bidderAddress": "0x2222222222222222222222222222222222222222"
      }
    ],
    "recentSales": [
      {
        "punkIndex": 5678,
        "seller": "0x3333333333333333333333333333333333333333",
        "buyer": "0x4444444444444444444444444444444444444444",
        "value": "100000000000000000",
        "timestamp": 1700000000,
        "transactionHash": "0xbbbb..."
      }
    ],
    "topSales": [],
    "wrapped": [],
    "stats": {
      "floorPriceWei": "50000000000000000",
      "totalPunks": 10000
    }
  }
}
```

#### Get Recent Sales (JSON Format)
GET /api/jsonRecentSales?count={count}
- Description: Get recent sales in JSON format with current punk status
- Parameters:
  - count (query, optional): Integer, maximum number of sales to return (default: 20, max: 50)
- Response: JSON array of sale objects with seller, buyer, value, timestamp, transaction hash, and current punk status
  - Example Response:

```json
[
  {
    "punkIndex": 5678,
    "seller": "0x3333333333333333333333333333333333333333",
    "buyer": "0x4444444444444444444444444444444444444444",
    "value": "100000000000000000",
    "timestamp": 1700000000,
    "transactionHash": "0xbbbb...",
    "currentOwner": "0x4444444444444444444444444444444444444444",
    "isForSale": false,
    "hasBid": false
  }
]
```

#### Get Recent Transactions
GET /api/recents
- Description: Get recent transactions including sales, bids, offers, and transfers
- Authentication: Requires Authorization header (RECENTS_AUTH_HEADER)
- Response: JSON object with transactions array and lastUpdate timestamp
- Note: Returns up to 5000 most recent transactions

  - Example Response:

```json
{
  "success": true,
  "data": {
    "lastUpdate": "2026-01-20T15:33:20.268Z",
    "transactions": [
      {
        "type": "Sale",
        "punkIndex": 5678,
        "from": "0x3333333333333333333333333333333333333333",
        "to": "0x4444444444444444444444444444444444444444",
        "amount": "100000000000000000",
        "amountUsd": 350000,
        "timestamp": 1700000000,
        "transactionHash": "0xbbbb..."
      }
    ]
  }
}
```

### Account Data

#### Get Account Information
GET /api/account/{address}
- Description: Get comprehensive account information including owned punks, sales, purchases, bids, offers, and transfers
- Parameters:
  - address (path): Ethereum address or ENS name
  - owned (query, optional): Boolean, if true only returns owned punks
  - salesLimit (query, optional): Integer, max sales to fetch (default: 10000, max: 10000)
  - purchasesLimit (query, optional): Integer, max purchases to fetch (default: 10000, max: 10000)
  - offersLimit (query, optional): Integer, max offers to fetch (default: 10000, max: 10000)
  - bidsLimit (query, optional): Integer, max bids to fetch (default: 10000, max: 10000)
  - transfersLimit (query, optional): Integer, max transfers to fetch (default: 10000, max: 10000)
  - wrappedTransfersLimit (query, optional): Integer, max wrapped transfers to fetch (default: 10000, max: 10000)
  - pageSize (query, optional): Integer, items per page for pagination (default: 100, max: 500)
- Response: JSON object with account data including:
  - ethAddress: Address information with ENS resolution
  - owned: Array of owned punks with metadata
  - forSale: Array of punks currently for sale by this account
  - privateOffers: Array of private offers made to this account
  - bids: Array of bids placed by this account
  - bidsForAccount: Array of bids against owned punks
  - punksBoughtByAddress: Array of purchase history
  - punksSoldByAddress: Array of sale history
  - totalValueBoughtByAddress: Total value of purchases
  - totalValueSoldByAddress: Total value of sales
  - totalValueOfBidsAgainstThisAccount: Total value of bids on owned punks
  - totalValueOfBidsPlacedByThisAccount: Total value of bids placed
  - transactionHistory: Combined transaction history

  - Example Response:

```json
{
  "success": true,
  "data": {
    "ethAddress": {
      "address": "0x2c81cee7050c9d03295560851ffde123bdf9696a",
      "ens": "collector.eth"
    },
    "owned": [
      {
        "index": 1234,
        "type": "MALE",
        "attributes": ["Beanie", "Small Shades"],
        "isForSale": false
      }
    ],
    "forSale": [],
    "privateOffers": [],
    "bids": [],
    "bidsForAccount": [],
    "punksBoughtByAddress": [
      {
        "punkIndex": 1234,
        "value": "100000000000000000",
        "timestamp": 1700000000,
        "transactionHash": "0xbbbb..."
      }
    ],
    "punksSoldByAddress": [],
    "totalValueBoughtByAddress": "100000000000000000",
    "totalValueSoldByAddress": "0",
    "totalValueOfBidsAgainstThisAccount": "0",
    "totalValueOfBidsPlacedByThisAccount": "0",
    "transactionHistory": [
      {
        "type": "Sale",
        "punkIndex": 1234,
        "from": "0x3333333333333333333333333333333333333333",
        "to": "0x2c81cee7050c9d03295560851ffde123bdf9696a",
        "amount": "100000000000000000",
        "timestamp": 1700000000,
        "transactionHash": "0xbbbb..."
      }
    ]
  }
}
```

### Transaction History

#### Get Punk Transaction History
POST /api/punks/{punkIndex}/details
- Description: Get full transaction history for a specific punk
- Parameters:
  - punkIndex (path): Integer between 0 and 9999
- Request Body: None (POST method used for longer timeout)
- Response: JSON object with transactionHistory array containing:
  - type: One of "Transfer", "Sale", "Claimed", "Offered", "Offer Withdrawn", "Bid", "Bid Withdrawn", "Wrapped Transfer"
  - from: Sender address with ENS name
  - to: Receiver address with ENS name
  - amount: Transaction amount in wei (for sales/bids/offers)
  - amountUsd: USD value (for sales/bids/offers)
  - timestamp: Unix timestamp
  - transactionHash: Ethereum transaction hash
  - blockPosition: Block position for sorting
  - Additional fields vary by transaction type

  - Example Response:

```json
{
  "success": true,
  "data": {
    "punkIndex": 1234,
    "transactionHistory": [
      {
        "type": "Claimed",
        "from": null,
        "to": {
          "address": "0x1111111111111111111111111111111111111111",
          "ens": "minter.eth"
        },
        "amount": null,
        "amountUsd": null,
        "timestamp": 1500000000,
        "transactionHash": "0xcccc...",
        "blockPosition": 0
      },
      {
        "type": "Sale",
        "from": {
          "address": "0x1111111111111111111111111111111111111111",
          "ens": "minter.eth"
        },
        "to": {
          "address": "0x2c81cee7050c9d03295560851ffde123bdf9696a",
          "ens": "collector.eth"
        },
        "amount": "100000000000000000",
        "amountUsd": 350000,
        "timestamp": 1700000000,
        "transactionHash": "0xbbbb...",
        "blockPosition": 1
      }
    ]
  }
}
```

## Collection Bids API

The Collection Bids API (bids.cryptopunks.app) manages EIP-712 signed bids on sets of CryptoPunks, Merkle tree operations, and proof generation/verification. It is separate from the main cryptopunks.app API.

**Base URL:** https://bids.cryptopunks.app

**Docs:** https://bids.cryptopunks.app/docs (interactive Swagger UI) · **OpenAPI JSON:** https://bids.cryptopunks.app/docs/json

### Bids

#### Store a signed bid
POST /api/v1/bids
- Description: Store a complete EIP-712 bid with signature. Uses cached Merkle proofs if available; otherwise proofs are generated asynchronously.
- Request Body (JSON):
  - punkIndices (required): Array of integers 0-9999
  - bidAmount (required): String, bid amount in ETH (e.g. "1.0")
  - address (required): Ethereum address of the bidder (0x + 40 hex)
  - signature (required): EIP-712 signature (0x + 130 hex chars)
  - bidNonce (required): Integer, unique bid nonce (minimum 1)
  - chainId (optional): Integer, default 1
  - auctionContract (optional): CryptoPunks contract address
  - stashContract (optional): Stash contract address
  - expiresAt (optional): Unix timestamp (string or number)
  - tag (optional): String 1-255 chars, label for the bid on the frontend
- Response 201: success, data with id (uuid), bidder_address, punk_indices, bid_amount_wei, bid_amount_eth, status, created_at, tag, proofs_from_cache (boolean)

#### Get bids
GET /api/v1/bids
- Parameters:
  - bidder (query): Filter by bidder address
  - status (query): One of "pending", "accepted", "rejected", "expired", "cancelled"
  - limit (query): 1-100, default 50
  - chainId (query): e.g. 1 for Ethereum mainnet
- Response: success, data array of bids (id, bidder_address, punk_indices, bid_amount_wei, bid_amount_eth, merkle_root, account_nonce, bid_nonce, status, created_at, expires_at, tag, proofs when available)

#### Get highest bids
GET /api/v1/bids/top
- Parameters: limit (1-100, default 10), status, chainId
- Response: Bids ordered by bid amount descending

#### Get all bids
GET /api/v1/bids/all
- Parameters: limit (1-1000, default 100), status, chainId
- Response: Most recent bids by creation date descending

#### Get bid by ID
GET /api/v1/bids/{id}
- Parameters: id (path) — UUID of the bid
- Response: Single bid with signature, status, created_at

#### Get bids for a punk
GET /api/v1/bids/punk/{id}
- Parameters: id (path) — Punk index 0-9999; status, limit (1-100, default 50), chainId (query)
- Response: Bids that include this punk ID, with proofs when available

#### Get proofs for a bid
GET /api/v1/bids/{id}/proofs
- Parameters: id (path) — Bid UUID
- Response: Merkle proofs for each punk index in the bid (object mapping punk index to array of proof hashes)

#### Refresh bids for a bidder
POST /api/v1/bids/refresh
- Description: Checks on-chain nonces for pending bids from a bidder and updates status (account_nonce, bid_nonce vs on-chain).
- Request Body: bidder (required, Ethereum address), chainId (optional, default 1)
- Response: bidder, chainId, totalBids, updated, results (bidId, status, reason, accountNonceValid, bidNonceUsed)

### Merkle Tree

#### Generate Merkle root
POST /api/v1/merkle/root
- Request: punkIndices (required, array 0-9999), expectedRoot (optional)
- Response: success, data with root, punkIndices, count

#### Generate EIP-712 bid structure
POST /api/v1/merkle/bid
- Request: punkIndices (required), bidAmount (required, ETH string), address (required), chainId, auctionContract, stashContract, expectedRoot (optional)
- Response: success, data with bid (order, accountNonce, bidNonce, expiration, root), domain, types for EIP-712 signing

#### Generate Merkle proof for one punk
POST /api/v1/merkle/proof
- Request: punkIndices (required), targetPunkIndex (required), expectedRoot (optional)
- Response: success, data with proof (array of hashes), root, targetPunkIndex, punkIndices

#### Verify Merkle proof
POST /api/v1/merkle/verify
- Request: punkIndex (required), proof (required, array of strings), root (required)
- Response: success, data with isValid, punkIndex, root

#### Generate batch Merkle proofs
POST /api/v1/merkle/batch-proofs
- Request: punkIndices (required), targetPunkIndices (required), showProgress (optional), expectedRoot (optional)
- Response: success, data with proofs (object mapping punk index to proof array), root, punkIndices, targetPunkIndices, count

#### Generate proofs for all punks in range
POST /api/v1/merkle/all-punk-proofs
- Request: startIndex (required, 0-9999), endIndex (required, 0-9999), showProgress, expectedRoot (optional)
- Response: success, data with proofs, root, startIndex, endIndex, count, generatedAt

#### Verify batch Merkle proofs
POST /api/v1/merkle/verify-batch
- Request: proofs (required, object mapping punk index to proof array), root (required)
- Response: success, data with results (punk index to boolean), root, totalVerified, validCount

### Bids API error responses
- 400: Validation error or duplicate nonce (ValidationError: success, message, errors array with code, path, message)
- 404: Bid not found (e.g. GET by id or GET proofs)
- 500: Internal server error (Error: success, message, error)

## Data Formats

### Punk Object
- id: String (punk index as string)
- index: Integer (0-9999)
- owner: String (Ethereum address)
- ownerAddress: String (Ethereum address)
- assigned: Boolean
- wrappedOwnerAddress: String (optional, for wrapped punks)
- isForSale: Boolean
- sellerAddress: String (optional)
- offerValue: String (optional, in wei)
- onlySellToAddress: String (optional, for private offers)
- hasBid: Boolean
- bidderAddress: String (optional)
- bidValue: String (optional, in wei)
- attributes: Array of strings (normalized attribute names)
- attributeCount: Integer
- type: String ("MALE", "FEMALE", "ALIEN", "APE", "ZOMBIE")
- wrapped: Boolean
- createdAt: ISO timestamp
- updatedAt: ISO timestamp

### Attribute Format
Attributes are normalized (e.g., "fem_" prefix removed) and formatted with underscores replaced by spaces for display (e.g., "Red_Mohawk" becomes "Red Mohawk").

### Value Format
- All ETH values are returned in wei (as strings to preserve precision)
- USD values are included where available
- Timestamps are Unix timestamps (seconds) or ISO 8601 strings depending on endpoint

## Rate Limiting
- Most endpoints have reasonable rate limits
- Some endpoints may have caching (5 minutes for /api/recents)

## Error Responses
All endpoints return JSON error responses in the format:
```json
{
  "error": "Error message",
  "success": false
}
```

Common HTTP status codes:
- 400: Bad Request (invalid parameters)
- 401: Unauthorized (missing or invalid auth)
- 404: Not Found (punk not found, etc.)
- 500: Internal Server Error

## Notes
- Punk indices range from 0 to 9999 (10,000 total punks)
- All Ethereum addresses should be lowercase for consistency
- ENS names are automatically resolved where applicable
- Wrapped punks are ERC-721 tokens representing CryptoPunks
- Some endpoints support pagination via cursor-based pagination
- Transaction history is sorted by timestamp (most recent first)
- Attribute counts and statistics are available for filtering and analysis