curl --request POST \
--url https://app.thinnest.ai/api/v1/projects \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"name": "Implant enquiries"
}
'const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({name: 'Implant enquiries'})
};
fetch('https://app.thinnest.ai/api/v1/projects', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));import requests
url = "https://app.thinnest.ai/api/v1/projects"
payload = { "name": "Implant enquiries" }
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text){
"id": "proj_9a1c3e57-2b4d-4f68-8e0a-1c3e5f7b9d24",
"name": "Implant enquiries",
"isDefault": false,
"agents": 0,
"createdAt": "2026-10-06T10:04:12.551Z"
}{
"error": "Give the project a name (`name`)."
}{
"error": "Send a valid API key as `Authorization: Bearer <key>`."
}{
"error": "A second project needs Scale."
}{
"error": "This API key is read-only: it can read everything but change nothing."
}{
"error": "Over 240 requests a minute. Slow down and retry."
}Create Project
Adds a project. Every workspace starts with its default project; a second one needs a plan with teams and projects, and is refused with 402 otherwise. A build key may do this.
curl --request POST \
--url https://app.thinnest.ai/api/v1/projects \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"name": "Implant enquiries"
}
'const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({name: 'Implant enquiries'})
};
fetch('https://app.thinnest.ai/api/v1/projects', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));import requests
url = "https://app.thinnest.ai/api/v1/projects"
payload = { "name": "Implant enquiries" }
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text){
"id": "proj_9a1c3e57-2b4d-4f68-8e0a-1c3e5f7b9d24",
"name": "Implant enquiries",
"isDefault": false,
"agents": 0,
"createdAt": "2026-10-06T10:04:12.551Z"
}{
"error": "Give the project a name (`name`)."
}{
"error": "Send a valid API key as `Authorization: Bearer <key>`."
}{
"error": "A second project needs Scale."
}{
"error": "This API key is read-only: it can read everything but change nothing."
}{
"error": "Over 240 requests a minute. Slow down and retry."
}Authorizations
Your API key (ta_live_…) from Settings → API keys, sent as Authorization: Bearer <key>. Keep it on a server: it can message every customer you have. A key is full, build or read-only; a request its level does not allow is refused with 403.
Headers
Developers only: the customer workspace this request acts in — its org_… id from POST /customers. Leave it out to act in your own workspace.
"org_3fKq9TzQ1mN8vB2xR7cLpA"
Body
The project's name, up to 200 characters, without markup or hidden characters. Trimmed.
1 - 200"Implant enquiries"
Response
The project was created.
The project's id (proj_…).
"proj_9a1c3e57-2b4d-4f68-8e0a-1c3e5f7b9d24"
Its name.
"Implant enquiries"
Whether this is the workspace's default project, which cannot be deleted.
false
How many agents are in it.
1
"2026-09-30T10:04:12.551Z"