Praxicraft Python SDK

Official Python client for the Praxicraft Assess Public API.

Use it to invite candidates, check invite quota, manage webhooks, enroll hiring pipelines, and fetch results from your ATS, backend, or automation scripts.

pip install praxicraft

Requires Python 3.10+. Full API reference: docs.praxicraft.com

Authentication

Create an organisation API key in Assess:

Assess → Developer → API Keys → create key → copy ct_live_… (shown once).

export PRAXICRAFT_API_KEY="ct_live_xxxxxxxxxxxxxxxx"

Or pass the key when constructing the client:

from praxicraft import Client

client = Client(api_key="ct_live_xxxxxxxxxxxxxxxx")

Optional: override the API host with PRAXICRAFT_API_BASE_URL or Client(base_url=...). Default host: https://assess.praxicraft.com.

Never commit API keys. Prefer environment variables or a secrets manager.

Scopes and rotation: Authentication

Quickstart

from praxicraft import Client

client = Client()  # reads PRAXICRAFT_API_KEY

# List assessments
page = client.assessments.list()
for assessment in page["results"]:
    print(assessment["slug"], assessment["status"])

# Invite a candidate (idempotent on email — safe to retry)
invite = client.invites.create(
    "senior-backend-screen",
    email="candidate@example.com",
    name="Jane Doe",
    send_email=True,
)
print(invite["invite_token"], invite.get("invite_url"))

# Fetch that candidate's result
result = client.results.retrieve(invite_token=invite["invite_token"])
print(result)

Responses are flat JSON (same shape as the Public API — no { "data": … } wrapper).

What you can do

All paths target /api/v1/public/… on the Assess host.

Check invite quota before bulk sends

org = client.org.retrieve()
if (org.get("invites_remaining") or 0) < len(candidates):
    raise SystemExit("Not enough invites remaining this month")

Bulk invites

client.invites.bulk_create(
    "senior-backend-screen",
    candidates=[
        {"email": "a@example.com", "name": "Alex"},
        {"email": "b@example.com", "name": "Blair"},
    ],
    send_email=True,
)

Build and activate an assessment via API

assessment = client.assessments.create(title="Backend screen")
client.assessments.attach_cases(
    assessment["slug"],
    cases=[{"case_id": "<platform-or-org-case-uuid>", "source": "platform"}],
)
client.assessments.activate(assessment["slug"])

Register and test a webhook

hook = client.webhooks.create(
    url="https://example.com/hooks/praxicraft",
    events=["assessment.completed", "candidate.passed"],
)
# Store hook["secret_key"] (whsec_…) — shown once
client.webhooks.test(hook["id"])
client.webhooks.update(hook["id"], is_active=True)

Enroll into a hiring pipeline

enrollment = client.pipelines.enroll(
    "grad-2025",
    email="alex@example.com",
    name="Alex Lee",
    send_email=True,
)
status = client.pipelines.get_enrollment(enrollment["enrollment_id"])

Paginate cohort results

for row in client.results.iter_all("senior-backend-screen", page_size=50):
    print(row.get("email"), row.get("score_percentage"), row.get("passed"))

Verify webhook signatures

Assess signs the raw request body with your webhook secret (whsec_…):

from praxicraft import verify_signature

def handle_webhook(raw_body: bytes, signature_header: str, secret: str) -> bool:
    return verify_signature(secret, raw_body, signature_header)

Header format: X-Praxicraft-Signature: sha256=<hex>

Event catalog and payload examples: Webhooks

Errors

Public API errors look like:

{
  "error": {
    "code": "INSUFFICIENT_SCOPE",
    "message": "This API key does not have the 'candidates:read' scope."
  }
}

The SDK raises typed exceptions. Branch on exc.code, not the message text:

from praxicraft import (
    AuthenticationError,
    InsufficientScopeError,
    RateLimitError,
    ValidationError,
)

try:
    client.invites.create("demo", email="candidate@example.com")
except ValidationError as exc:
    # e.g. ASSESSMENT_NOT_ACTIVE, REMINDER_COOLDOWN, VALIDATION_ERROR
    print(exc.code, exc.details)
except InsufficientScopeError as exc:
    print(exc.code)  # INSUFFICIENT_SCOPE, INVITE_QUOTA_EXCEEDED, …
except AuthenticationError as exc:
    print(exc.code)  # INVALID_API_KEY, EXPIRED_API_KEY
except RateLimitError as exc:
    print(exc.retry_after)  # seconds from Retry-After, when present

Error codes: Errors

Requirements & support

• Python 3.10, 3.11, or 3.12+
• Dependency: httpx
• Product docs: docs.praxicraft.com
• Issues: GitHub Issues

License

MIT