curl --silent --show-error --fail-with-body --request POST \
--url 'https://api.stateset.com/api/v1/negotiations/{id}/counter-offer' \
--header "Authorization: Bearer $STATESET_API_KEY" \
--header 'Content-Type: application/json' \
--data '{
"amount": "49.00",
"from_agent_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"message": "Two-person tent, green — replacement for damaged pole set."
}'
{
"buyer_agent_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"created_at": "2026-08-31T14:22:05Z",
"currency": "USD",
"current_offer": "string",
"id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"max_rounds": 1,
"offer_count": 1,
"rounds": 1,
"seller_agent_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"status": "pending"
}
Counter offer
offer
POST
/
api
/
v1
/
negotiations
/
{id}
/
counter-offer
curl --silent --show-error --fail-with-body --request POST \
--url 'https://api.stateset.com/api/v1/negotiations/{id}/counter-offer' \
--header "Authorization: Bearer $STATESET_API_KEY" \
--header 'Content-Type: application/json' \
--data '{
"amount": "49.00",
"from_agent_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"message": "Two-person tent, green — replacement for damaged pole set."
}'
{
"buyer_agent_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"created_at": "2026-08-31T14:22:05Z",
"currency": "USD",
"current_offer": "string",
"id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"max_rounds": 1,
"offer_count": 1,
"rounds": 1,
"seller_agent_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"status": "pending"
}
Confirm your deployment before running this request. This page describes an API contract;
a published reference does not establish hosted availability. Check the dated
host report and obtain your deployment URL and credentials.
Replace the example host if your provisioned service uses a different URL.
Path parameters
string
required
Negotiation ID (UUID)
Request body
CounterOfferRequest
string
required
string
required
string,null
Response
NegotiationResponse
string
required
string
required
string
required
string
required
string
required
integer (int32)
required
Minimum:
0.integer
required
Minimum:
0.integer (int32)
required
Minimum:
0.string
required
string
required
Status codes
| Code | Meaning |
|---|---|
200 | — |
400 | — |
404 | — |
Using this contract
Read the source OpenAPI document for declared schemas and alternatives. This page also includes documented corrections from the spec overlays. Example IDs and values are illustrative; replace them with records from your workspace.curl --silent --show-error --fail-with-body --request POST \
--url 'https://api.stateset.com/api/v1/negotiations/{id}/counter-offer' \
--header "Authorization: Bearer $STATESET_API_KEY" \
--header 'Content-Type: application/json' \
--data '{
"amount": "49.00",
"from_agent_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"message": "Two-person tent, green — replacement for damaged pole set."
}'
{
"buyer_agent_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"created_at": "2026-08-31T14:22:05Z",
"currency": "USD",
"current_offer": "string",
"id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"max_rounds": 1,
"offer_count": 1,
"rounds": 1,
"seller_agent_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"status": "pending"
}
Last modified on September 21, 2026