How do I get an API key?

Sign in, open Settings → API keys (spaceforms.io/settings/api-keys), name the key and press Create. The key starts with sf_live_ and is shown once. You can revoke it at any time.

API access is included on every account, including free. Free accounts can create unlimited forms and collect unlimited responses, and see the 10 most recent answers per form. Pro (from $14/month) shows every answer on every form.

How to create a survey with an API

Four steps from nothing to a live survey collecting answers.

Get a free API key Read the API docs

1. Get a key

2. Create and publish

curl -X POST https://spaceforms.io/api/v1/forms \
  -H "Authorization: Bearer $SPACEFORMS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "title": "Customer feedback",
    "published": true,
    "fields": [
      { "id": "q1", "type": "rating", "label": "How satisfied are you?", "required": true },
      { "id": "q2", "type": "long_text", "label": "What could we do better?" }
    ]
  }'

3. Share the url

The response includes url — the public survey link.

4. Read answers

curl https://spaceforms.io/api/v1/forms/FORM_ID/responses -H "Authorization: Bearer $KEY"

Frequently asked questions

How do I get an API key?: Sign in, open Settings → API keys (spaceforms.io/settings/api-keys), name the key and press Create. The key starts with sf_live_ and is shown once. You can revoke it at any time.
What does it cost?: API access is included on every account, including free. Free accounts can create unlimited forms and collect unlimited responses, and see the 10 most recent answers per form. Pro (from $14/month) shows every answer on every form.