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HTTP API / caprover-api

  • CapRover serves versioned HTTP endpoints under /api/v2.
  • Login with POST /api/v2/login and JSON {"password":"..."} plus the x-namespace: captain header.
  • Authenticated user routes use the response's data.token as x-captain-auth, also with x-namespace: captain.
  • The response wrapper includes a status, message, and optional data; check the status instead of treating every HTTP response as a successful operation.

For example, after exporting CAPROVER_URL and CAPROVER_PASSWORD in your shell:

token=$(curl --fail --silent --show-error "$CAPROVER_URL/api/v2/login" \
  -H 'x-namespace: captain' -H 'content-type: application/json' \
  --data "$(jq -n --arg password "$CAPROVER_PASSWORD" '{password:$password}')" | jq -er '.data.token')
curl --fail --silent --show-error "$CAPROVER_URL/api/v2/user/system/info/" \
  -H 'x-namespace: captain' -H "x-captain-auth: $token"

  • Use HTTPS and avoid printing the token or password.

  • The main route groups are /user/apps/, /user/projects/, /user/oneclick/, /user/registries/, /user/system/, and /user/pro/.

  • Their request bodies and responses vary by endpoint; the server route code is the authoritative inventory for the deployed version.

  • The caprover-api client wraps common operations.

  • Prefer app deployment tokens for CI jobs that only deploy one app.

  • Avoid depending on an undocumented response field without checking your target CapRover version.

  • See the backup automation example for a request sequence with a temporary download token.