Skip to main content
Version: Next

HTTP API

Implementation reference: src/sydra/http.zig.

Authentication​

If auth_token is set in sydradb.toml, all routes under /api/* require:

Authorization: Bearer <auth_token>

Implementation: handleRequest auth guard.

GET /metrics​

Returns Prometheus text exposition.

Implementation: handleMetrics.

POST /api/v1/ingest​

Consumes NDJSON (newline-delimited JSON). Each line is an object with:

  • series (string, required)
  • ts (integer, required)
  • value (number, optional)
  • fields (object, optional): if value is missing, the first numeric field is used
  • tags (object, optional)

Implementation: handleIngest.

Returns:

{"ingested":123}

Error cases:

  • A line that exceeds the internal buffer fails the request with 413 Payload Too Large.

POST /api/v1/query/range​

Requires Content-Length and a JSON body:

  • start (integer, required)
  • end (integer, required)
  • series_id (integer) or series (string)
  • tags (object, optional; used when hashing series → series_id)

Returns a JSON array:

[{"ts":1694300000,"value":24.2}]

Implementation: handleQuery (POST JSON).

GET /api/v1/query/range?...​

Query parameters:

  • series_id=<u64> (preferred) or series=<string>
  • tags=<string> (optional, defaults to {})
  • start=<i64> (required)
  • end=<i64> (required)

Returns the same JSON array as the POST form.

Implementation: handleQueryGet (GET query string).

POST /api/v1/query/find​

Request JSON:

  • tags (object): exact-match tag constraints (string values)
  • op (string, optional): "and" (default) or "or"

Response JSON: array of matching series_id values.

Implementation: handleFind.

POST /api/v1/sydraql​

Request body is plain text sydraQL.

Response JSON object:

  • columns: array of {name,type,nullable}
  • rows: array of row arrays
  • stats: execution timings and operator stats

Implementation:

Debug endpoints​

  • GET /debug/compat/stats – JSON counters
  • GET /debug/compat/catalog – JSON snapshot of compat catalog objects
  • GET /debug/alloc/stats – JSON allocator stats (only in small_pool allocator mode)

See also: