{"name":"Upstream","what":"Is the AI/dev API your agent depends on up right now, and what's changing (deprecations, model retirements, pricing)?","free_tier":{"with_free_key":"500 calls/day (POST /v1/keys)","anonymous":"50 calls/day","watches":"1 free change-alert webhook per key"},"over_quota":{"protocol":"x402 v2","network":"eip155:8453","prices_usdc":{"status":"$0.003","changes":"$0.01","model":"$0.003","watch":"$0.05"}},"docs":["/llms.txt","/openapi.json","https://upstream-api.pages.dev"],"digest":{"latest":"/digest/latest","list":"/digest","by_date":"/digest/:date","feed":"/digest/feed.xml","page":"https://upstream-api.pages.dev/digest/"},"endpoints":["GET /providers","GET /status/:provider","GET /changes?since=&provider=&kind=","GET /model/:id","POST /v1/keys","POST /v1/watches","POST /mcp","GET /health"]}