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This quickstart shows the public runtime API flow:
  1. Get a sourceId
  2. Create a source API key
  3. Call runtime endpoints with x-api-key

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1. Get your sourceId

In the Synthbrew app, open your source and copy its ID. Your runtime endpoint base is: 
/api/runtime/{sourceId}/{table}

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2. Create a source API key

Create a key from the source API keys UI or via the app API. Keep the returned key safe. It is shown only once.

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3. Call runtime endpoints

Use x-api-key on every request. 
curl -X GET "http://localhost:3311/api/runtime/<sourceId>/accounts?limit=10&offset=0" \
  -H "x-api-key: sb_src_your_key_here"

curl -X POST "http://localhost:3311/api/runtime/<sourceId>/accounts" \
  -H "x-api-key: sb_src_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"id":2,"name":"Beta","active":true}'

curl -X PATCH "http://localhost:3311/api/runtime/<sourceId>/accounts/2" \
  -H "x-api-key: sb_src_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"name":"Beta Updated"}'

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Querying list endpoints

GET /runtime/{sourceId}/{table} supports:
  • limit, offset
  • fields=id,name,status
  • sort=created_at:desc
  • filters.status.$eq=paid
  • filters.total.$gte=50
  • populate=customer_id
  • populate.customer_id.fields=id,name
Example: 
curl "http://localhost:3311/api/runtime/<sourceId>/orders?limit=10&offset=0&sort=id:asc&fields=id,customer_id,status&populate=customer_id&populate.customer_id.fields=id,name" \
  -H "x-api-key: sb_src_your_key_here"
For full parameter and response schemas, see Runtime API reference.