diff --git a/functions/src/api.ts b/functions/src/api.ts
index 9fc989f3..aee95532 100644
--- a/functions/src/api.ts
+++ b/functions/src/api.ts
@@ -115,15 +115,13 @@ export const newEndpoint = (methods: [string], fn: Handler) =>
         const allowed = methods.join(', ')
         throw new APIError(405, `This endpoint supports only ${allowed}.`)
       }
-      const data = await fn(req, res)
-      data.status = 'success'
-      res.status(200).json({ data: data })
+      res.status(200).json(await fn(req, res))
     } catch (e) {
       if (e instanceof APIError) {
         // Emit a 200 anyway here for now, for backwards compatibility
-        res.status(200).json({ data: { status: 'error', message: e.msg } })
+        res.status(e.code).json({ message: e.msg })
       } else {
-        res.status(500).json({ data: { status: 'error', message: '???' } })
+        res.status(500).json({ message: 'An unknown error occurred.' })
       }
     }
   })
diff --git a/functions/src/create-contract.ts b/functions/src/create-contract.ts
index 4046df5c..5feb32c0 100644
--- a/functions/src/create-contract.ts
+++ b/functions/src/create-contract.ts
@@ -44,7 +44,7 @@ export const createContract = newEndpoint(['POST'], async (req, _res) => {
     min,
     max,
     manaLimitPerUser,
-  } = req.body.data || {}
+  } = req.body || {}
 
   if (!question || typeof question != 'string')
     throw new APIError(400, 'Missing or invalid question field')
@@ -205,7 +205,7 @@ export const createContract = newEndpoint(['POST'], async (req, _res) => {
     await anteBetDoc.set(anteBet)
   }
 
-  return { contract: contract }
+  return contract
 })
 
 const getSlug = async (question: string) => {
diff --git a/functions/src/place-bet.ts b/functions/src/place-bet.ts
index a95b46de..4de53496 100644
--- a/functions/src/place-bet.ts
+++ b/functions/src/place-bet.ts
@@ -16,7 +16,7 @@ import { Fees } from '../../common/fees'
 
 export const placeBet = newEndpoint(['POST'], async (req, _res) => {
   const [bettor, _privateUser] = await lookupUser(await parseCredentials(req))
-  const { amount, outcome, contractId, value } = req.body.data || {}
+  const { amount, outcome, contractId, value } = req.body || {}
 
   if (amount <= 0 || isNaN(amount) || !isFinite(amount))
     throw new APIError(400, 'Invalid amount')
diff --git a/web/components/numeric-resolution-panel.tsx b/web/components/numeric-resolution-panel.tsx
index cbda7f9c..f05a1c0a 100644
--- a/web/components/numeric-resolution-panel.tsx
+++ b/web/components/numeric-resolution-panel.tsx
@@ -17,7 +17,7 @@ export function NumericResolutionPanel(props: {
 }) {
   useEffect(() => {
     // warm up cloud function
-    resolveMarket({} as any).catch()
+    resolveMarket({} as any).catch(() => {})
   }, [])
 
   const { contract, className } = props
diff --git a/web/lib/firebase/api-call.ts b/web/lib/firebase/api-call.ts
index ebc90d20..61a32021 100644
--- a/web/lib/firebase/api-call.ts
+++ b/web/lib/firebase/api-call.ts
@@ -25,14 +25,14 @@ export async function call(name: string, method: string, params: any) {
       'Content-Type': 'application/json',
     },
     method: method,
-    body: JSON.stringify({ data: params }),
+    body: JSON.stringify(params),
   })
   return await fetch(req).then(async (resp) => {
     const json = (await resp.json()) as { [k: string]: any }
-    if (json.data.status == 'error') {
-      throw new APIError(resp.status, json.data.message)
+    if (!resp.ok) {
+      throw new APIError(resp.status, json?.message)
     }
-    return json.data
+    return json
   })
 }
 
diff --git a/web/pages/create.tsx b/web/pages/create.tsx
index b68bde82..caf4927f 100644
--- a/web/pages/create.tsx
+++ b/web/pages/create.tsx
@@ -138,7 +138,7 @@ export function NewContract(props: { question: string; tag?: string }) {
           max,
         })
       )
-      await router.push(contractPath(result.contract as Contract))
+      await router.push(contractPath(result as Contract))
     } catch (e) {
       console.log('error creating contract', e)
     }
diff --git a/web/pages/make-predictions.tsx b/web/pages/make-predictions.tsx
index 081b29b7..55fba2ce 100644
--- a/web/pages/make-predictions.tsx
+++ b/web/pages/make-predictions.tsx
@@ -148,14 +148,14 @@ ${TEST_VALUE}
     }
     setIsSubmitting(true)
     for (const prediction of predictions) {
-      const contract = await createContract({
+      const contract = (await createContract({
         question: prediction.question,
         description: prediction.description,
         initialProb: prediction.initialProb,
         ante,
         closeTime,
         tags: parseWordsAsTags(tags),
-      }).then((r) => r.contract)
+      })) as FullContract<DPM | CPMM, Binary>
 
       setCreatedContracts((prev) => [...prev, contract])
     }