import httpx

data = httpx.get('https://api.hypothes.is/api/search?uri=https://www.migrationencounters.org/stories/beto')

data.json()

{'total': 1,
 'rows': [{'id': 'anlfGMI2EeuTmAeXcpVBCw',
   'created': '2021-05-31T17:34:13.492134+00:00',
   'updated': '2021-05-31T17:34:13.492134+00:00',
   'user': 'acct:apjanco@hypothes.is',
   'uri': 'https://www.migrationencounters.org/stories/beto',
....}