# Add offer

**POST /open/v1/{network_id}/offers/add**

Create an ERC-721 Collection bid on the Dew marketplace.
When generating the salt required for signature using Seaport.js generateRandomSalt(),
the domain parameter has to be set to dew. Otherwise the signature will be rejected.
Price of the bid must be no lower than 1 MATIC.
The bid uses funds in bidding pool. Make sure there is enough balance in your bidding pool.



## Servers
- https://api.dewapi.com: https://api.dewapi.com ()



## Parameters

### Path parameters
- **network_id** (integer)
  Chain ID.


### Body: application/json (object)

- **parameters** (object)

- **signature** (string)
  Signature of the signed type data represented by the parameters field.
- **protocol_address** (string)
  Exchange contract address. Must be one of ['0x00000000000000adc04c56bf30ac9d3c0aaf14dc']


## Responses
### 200
Successful

#### Body: application/json (object)
- **code** (integer)
  0: success, others: error
- **data** (array[object])


### 400
Bad Request

#### Body: application/json (object)
- **code** (integer)
  0: success, others: error
- **error** (string | null)

- **errors** (array[object] | null)



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