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POST
/
v1
/
system-prompts
/
{system_prompt_id}
/
particles
Add Particle to System Prompt
curl --request POST \
  --url https://api.cuadra.ai/v1/system-prompts/{system_prompt_id}/particles \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "particleId": "<string>",
  "particleVersionId": "pv_xyz789",
  "order": 0
}
'
{
  "id": "<string>",
  "particleId": "<string>",
  "order": 123,
  "particleName": "Professional Tone",
  "particleCategory": "tone",
  "particleVersionId": "pv_abc123",
  "pinnedVersion": 2,
  "tokenCount": 25
}

Authorizations

​
Authorization
string
header
required

JWT token from Stytch B2B authentication (magic link, SSO, or M2M)

Headers

​
Idempotency-Key
string | null

Path Parameters

​
system_prompt_id
string
required

System Prompt ID

Body

application/json

Request schema for adding a particle to a system prompt.

​
particleId
string
required

ID of the particle to add

Example:

"part_abc123"

​
particleVersionId
string | null

Optional version ID to pin (NULL = use current)

Example:

"pv_xyz789"

​
order
integer
default:0

Order in the composition (lower = earlier)

Required range: x >= 0
Example:

0

Response

Successful Response

Response schema for a particle within a system prompt.

​
id
string
required

Association ID

Example:

"spa_abc123"

​
particleId
string
required

Particle ID

Example:

"part_xyz789"

​
order
integer
required

Order in composition

Example:

0

​
particleName
string | null

Particle name (derived)

Example:

"Professional Tone"

​
particleCategory
enum<string> | null

Particle category (derived)

Available options:
role,
tone,
guardrails,
constraints,
format
Example:

"tone"

​
particleVersionId
string | null

Pinned version ID (NULL = current)

Example:

"pv_abc123"

​
pinnedVersion
integer | null

Pinned version number (derived)

Example:

2

​
tokenCount
integer | null

Token count of the particle content

Example:

25