diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c842b882c..8de7f6ee1 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -34,6 +34,15 @@ jobs:
         uses: golangci/golangci-lint-action@v3
         with:
           args: --timeout=30m
+      - name: Jape Analyzer
+        uses: SiaFoundation/action-golang-analysis@HEAD
+        with:
+          analyzers: |
+            go.sia.tech/jape.Analyzer@master
+          directories: |
+            autopilot
+            bus bus/client
+            worker worker/client
       - name: Test
         uses: n8maninger/action-golang-test@v1
         with:
@@ -53,12 +62,5 @@ jobs:
         with:
           package: "./internal/testing/..."
           args: "-race;-tags='testing';-timeout=30m"
-      - name: Check Endpoints
-        uses: SiaFoundation/action-golang-analysis@HEAD
-        with:
-          analyzers: |
-            go.sia.tech/jape.Analyzer
-          directories: |
-            autopilot
       - name: Build
         run: go build -o bin/ ./cmd/renterd
diff --git a/bus/bus.go b/bus/bus.go
index 2d6d4ca14..e3d5a96a3 100644
--- a/bus/bus.go
+++ b/bus/bus.go
@@ -1998,10 +1998,7 @@ func (b *bus) metricsHandlerPUT(jc jape.Context) {
 }
 
 func (b *bus) metricsHandlerGET(jc jape.Context) {
-	key := jc.PathParam("key")
-
 	// parse mandatory query parameters
-	var err error
 	var start time.Time
 	var n uint64
 	var interval time.Duration
@@ -2014,31 +2011,30 @@ func (b *bus) metricsHandlerGET(jc jape.Context) {
 	}
 
 	// parse optional query parameters
-	switch key {
+	switch key := jc.PathParam("key"); key {
 	case api.MetricContract:
-		var metrics []api.ContractMetric
 		var opts api.ContractMetricsQueryOpts
 		if jc.DecodeForm("fcid", &opts.ContractID) != nil {
 			return
 		} else if jc.DecodeForm("host", &opts.HostKey) != nil {
 			return
-		} else if metrics, err = b.mtrcs.ContractMetrics(jc.Request.Context(), start, n, interval, opts); jc.Check("failed to get contract metrics", err) != nil {
+		} else if metrics, err := b.metrics(jc.Request.Context(), key, start, n, interval, opts); jc.Check("failed to get contract metrics", err) != nil {
+			return
+		} else {
+			jc.Encode(metrics)
 			return
 		}
-		jc.Encode(metrics)
-		return
 	case api.MetricContractSet:
-		var metrics []api.ContractSetMetric
 		var opts api.ContractSetMetricsQueryOpts
 		if jc.DecodeForm("name", &opts.Name) != nil {
 			return
-		} else if metrics, err = b.mtrcs.ContractSetMetrics(jc.Request.Context(), start, n, interval, opts); jc.Check("failed to get contract set metrics", err) != nil {
+		} else if metrics, err := b.metrics(jc.Request.Context(), key, start, n, interval, opts); jc.Check("failed to get contract set metrics", err) != nil {
+			return
+		} else {
+			jc.Encode(metrics)
 			return
 		}
-		jc.Encode(metrics)
-		return
 	case api.MetricContractSetChurn:
-		var metrics []api.ContractSetChurnMetric
 		var opts api.ContractSetChurnMetricsQueryOpts
 		if jc.DecodeForm("name", &opts.Name) != nil {
 			return
@@ -2046,17 +2042,30 @@ func (b *bus) metricsHandlerGET(jc jape.Context) {
 			return
 		} else if jc.DecodeForm("reason", &opts.Reason) != nil {
 			return
-		} else if metrics, err = b.mtrcs.ContractSetChurnMetrics(jc.Request.Context(), start, n, interval, opts); jc.Check("failed to get contract churn metrics", err) != nil {
+		} else if metrics, err := b.metrics(jc.Request.Context(), key, start, n, interval, opts); jc.Check("failed to get contract churn metrics", err) != nil {
+			return
+		} else {
+			jc.Encode(metrics)
 			return
 		}
-		jc.Encode(metrics)
-		return
 	default:
 		jc.Error(fmt.Errorf("unknown metric '%s'", key), http.StatusBadRequest)
 		return
 	}
 }
 
+func (b *bus) metrics(ctx context.Context, key string, start time.Time, n uint64, interval time.Duration, opts interface{}) (interface{}, error) {
+	switch key {
+	case api.MetricContract:
+		return b.mtrcs.ContractMetrics(ctx, start, n, interval, opts.(api.ContractMetricsQueryOpts))
+	case api.MetricContractSet:
+		return b.mtrcs.ContractSetMetrics(ctx, start, n, interval, opts.(api.ContractSetMetricsQueryOpts))
+	case api.MetricContractSetChurn:
+		return b.mtrcs.ContractSetChurnMetrics(ctx, start, n, interval, opts.(api.ContractSetChurnMetricsQueryOpts))
+	}
+	return nil, nil
+}
+
 func (b *bus) multipartHandlerCreatePOST(jc jape.Context) {
 	var req api.MultipartCreateRequest
 	if jc.Decode(&req) != nil {
diff --git a/bus/client/metrics.go b/bus/client/metrics.go
index f6a220de0..f8b1e4270 100644
--- a/bus/client/metrics.go
+++ b/bus/client/metrics.go
@@ -2,7 +2,11 @@ package client
 
 import (
 	"context"
+	"encoding/json"
+	"errors"
 	"fmt"
+	"io"
+	"net/http"
 	"net/url"
 	"time"
 
@@ -10,17 +14,20 @@ import (
 	"go.sia.tech/renterd/api"
 )
 
-func (c *Client) ContractSetMetrics(ctx context.Context, start time.Time, n uint64, interval time.Duration, opts api.ContractSetMetricsQueryOpts) ([]api.ContractSetMetric, error) {
+func (c *Client) ContractMetrics(ctx context.Context, start time.Time, n uint64, interval time.Duration, opts api.ContractMetricsQueryOpts) ([]api.ContractMetric, error) {
 	values := url.Values{}
 	values.Set("start", api.TimeRFC3339(start).String())
 	values.Set("n", fmt.Sprint(n))
 	values.Set("interval", api.DurationMS(interval).String())
-	if opts.Name != "" {
-		values.Set("name", opts.Name)
+	if opts.ContractID != (types.FileContractID{}) {
+		values.Set("fcid", opts.ContractID.String())
 	}
-	var resp []api.ContractSetMetric
-	err := c.c.WithContext(ctx).GET(fmt.Sprintf("/metric/%s?%s", api.MetricContractSet, values.Encode()), &resp)
-	if err != nil {
+	if opts.HostKey != (types.PublicKey{}) {
+		values.Set("hostKey", opts.HostKey.String())
+	}
+
+	var resp []api.ContractMetric
+	if err := c.metric(ctx, api.MetricContract, values, &resp); err != nil {
 		return nil, err
 	}
 	return resp, nil
@@ -40,9 +47,25 @@ func (c *Client) ContractSetChurnMetrics(ctx context.Context, start time.Time, n
 	if opts.Reason != "" {
 		values.Set("reason", string(opts.Reason))
 	}
+
 	var resp []api.ContractSetChurnMetric
-	err := c.c.WithContext(ctx).GET(fmt.Sprintf("/metric/%s?%s", api.MetricContractSetChurn, values.Encode()), &resp)
-	if err != nil {
+	if err := c.metric(ctx, api.MetricContractSetChurn, values, &resp); err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (c *Client) ContractSetMetrics(ctx context.Context, start time.Time, n uint64, interval time.Duration, opts api.ContractSetMetricsQueryOpts) ([]api.ContractSetMetric, error) {
+	values := url.Values{}
+	values.Set("start", api.TimeRFC3339(start).String())
+	values.Set("n", fmt.Sprint(n))
+	values.Set("interval", api.DurationMS(interval).String())
+	if opts.Name != "" {
+		values.Set("name", opts.Name)
+	}
+
+	var resp []api.ContractSetMetric
+	if err := c.metric(ctx, api.MetricContractSet, values, &resp); err != nil {
 		return nil, err
 	}
 	return resp, nil
@@ -54,21 +77,29 @@ func (c *Client) RecordContractSetChurnMetric(ctx context.Context, metrics ...ap
 	})
 }
 
-func (c *Client) ContractMetrics(ctx context.Context, start time.Time, n uint64, interval time.Duration, opts api.ContractMetricsQueryOpts) ([]api.ContractMetric, error) {
-	values := url.Values{}
-	values.Set("start", api.TimeRFC3339(start).String())
-	values.Set("n", fmt.Sprint(n))
-	values.Set("interval", api.DurationMS(interval).String())
-	if opts.ContractID != (types.FileContractID{}) {
-		values.Set("fcid", opts.ContractID.String())
+func (c *Client) metric(ctx context.Context, key string, values url.Values, res interface{}) error {
+	c.c.Custom("GET", fmt.Sprintf("/metric/%s", key), nil, (*interface{})(nil))
+
+	u, err := url.Parse(fmt.Sprintf("%s/metric/%s", c.c.BaseURL, key))
+	if err != nil {
+		panic(err)
 	}
-	if opts.HostKey != (types.PublicKey{}) {
-		values.Set("hostKey", opts.HostKey.String())
+	u.RawQuery = values.Encode()
+	req, err := http.NewRequestWithContext(ctx, "GET", u.String(), nil)
+	if err != nil {
+		panic(err)
 	}
-	var resp []api.ContractMetric
-	err := c.c.WithContext(ctx).GET(fmt.Sprintf("/metric/%s?%s", api.MetricContract, values.Encode()), &resp)
+	req.SetBasicAuth("", c.c.WithContext(ctx).Password)
+	resp, err := http.DefaultClient.Do(req)
 	if err != nil {
-		return nil, err
+		return err
 	}
-	return resp, nil
+	defer io.Copy(io.Discard, resp.Body)
+	defer resp.Body.Close()
+
+	if resp.StatusCode != 200 && resp.StatusCode != 206 {
+		err, _ := io.ReadAll(resp.Body)
+		return errors.New(string(err))
+	}
+	return json.NewDecoder(resp.Body).Decode(&res)
 }
diff --git a/go.mod b/go.mod
index e1fd80282..df01f6ba9 100644
--- a/go.mod
+++ b/go.mod
@@ -20,7 +20,7 @@ require (
 	go.sia.tech/core v0.1.12-0.20231011172826-6ca0ac7b3b6b
 	go.sia.tech/gofakes3 v0.0.0-20231109151325-e0d47c10dce2
 	go.sia.tech/hostd v0.2.1-0.20231013174940-920057ff41c8
-	go.sia.tech/jape v0.11.0
+	go.sia.tech/jape v0.11.1
 	go.sia.tech/mux v1.2.0
 	go.sia.tech/siad v1.5.10-0.20230228235644-3059c0b930ca
 	go.sia.tech/web/renterd v0.33.0
diff --git a/go.sum b/go.sum
index 5622051c3..85353b11d 100644
--- a/go.sum
+++ b/go.sum
@@ -311,8 +311,8 @@ go.sia.tech/gofakes3 v0.0.0-20231109151325-e0d47c10dce2 h1:ulzfJNjxN5DjXHClkW2pT
 go.sia.tech/gofakes3 v0.0.0-20231109151325-e0d47c10dce2/go.mod h1:PlsiVCn6+wssrR7bsOIlZm0DahsVrDydrlbjY4F14sg=
 go.sia.tech/hostd v0.2.1-0.20231013174940-920057ff41c8 h1:0kVIAauXG2+C5EZWlnJDVtf6TrLLgB+EcObuCJyDNfY=
 go.sia.tech/hostd v0.2.1-0.20231013174940-920057ff41c8/go.mod h1:B+jY+eJ2jlcowcXwYOb28N/A6/cy2dblX/WUec9pFM8=
-go.sia.tech/jape v0.11.0 h1:S2JTONZ4FGl5JFmh3VFGkieuFB1wXRLImkHc859V0FY=
-go.sia.tech/jape v0.11.0/go.mod h1:4QqmBB+t3W7cNplXPj++ZqpoUb2PeiS66RLpXmEGap4=
+go.sia.tech/jape v0.11.1 h1:M7IP+byXL7xOqzxcHUQuXW+q3sYMkYzmMlMw+q8ZZw0=
+go.sia.tech/jape v0.11.1/go.mod h1:4QqmBB+t3W7cNplXPj++ZqpoUb2PeiS66RLpXmEGap4=
 go.sia.tech/mux v1.2.0 h1:ofa1Us9mdymBbGMY2XH/lSpY8itFsKIo/Aq8zwe+GHU=
 go.sia.tech/mux v1.2.0/go.mod h1:Yyo6wZelOYTyvrHmJZ6aQfRoer3o4xyKQ4NmQLJrBSo=
 go.sia.tech/siad v1.5.10-0.20230228235644-3059c0b930ca h1:aZMg2AKevn7jKx+wlusWQfwSM5pNU9aGtRZme29q3O4=
diff --git a/worker/client/rhp.go b/worker/client/rhp.go
index 175df47e3..a8ff950ba 100644
--- a/worker/client/rhp.go
+++ b/worker/client/rhp.go
@@ -14,23 +14,23 @@ import (
 )
 
 // RHPBroadcast broadcasts the latest revision for a contract.
-func (c *Client) RHPBroadcast(ctx context.Context, fcid types.FileContractID) (err error) {
-	err = c.c.WithContext(ctx).POST(fmt.Sprintf("/rhp/contract/%s/broadcast", fcid), nil, nil)
+func (c *Client) RHPBroadcast(ctx context.Context, contractID types.FileContractID) (err error) {
+	err = c.c.WithContext(ctx).POST(fmt.Sprintf("/rhp/contract/%s/broadcast", contractID), nil, nil)
 	return
 }
 
 // RHPContractRoots fetches the roots of the contract with given id.
-func (c *Client) RHPContractRoots(ctx context.Context, fcid types.FileContractID) (roots []types.Hash256, err error) {
-	err = c.c.WithContext(ctx).GET(fmt.Sprintf("/rhp/contract/%s/roots", fcid), &roots)
+func (c *Client) RHPContractRoots(ctx context.Context, contractID types.FileContractID) (roots []types.Hash256, err error) {
+	err = c.c.WithContext(ctx).GET(fmt.Sprintf("/rhp/contract/%s/roots", contractID), &roots)
 	return
 }
 
 // RHPForm forms a contract with a host.
-func (c *Client) RHPForm(ctx context.Context, endHeight uint64, hk types.PublicKey, hostIP string, renterAddress types.Address, renterFunds types.Currency, hostCollateral types.Currency) (rhpv2.ContractRevision, []types.Transaction, error) {
+func (c *Client) RHPForm(ctx context.Context, endHeight uint64, hostKey types.PublicKey, hostIP string, renterAddress types.Address, renterFunds types.Currency, hostCollateral types.Currency) (rhpv2.ContractRevision, []types.Transaction, error) {
 	req := api.RHPFormRequest{
 		EndHeight:      endHeight,
 		HostCollateral: hostCollateral,
-		HostKey:        hk,
+		HostKey:        hostKey,
 		HostIP:         hostIP,
 		RenterFunds:    renterFunds,
 		RenterAddress:  renterAddress,
@@ -64,9 +64,9 @@ func (c *Client) RHPPriceTable(ctx context.Context, hostKey types.PublicKey, sia
 }
 
 // RHPPruneContract prunes deleted sectors from the contract with given id.
-func (c *Client) RHPPruneContract(ctx context.Context, fcid types.FileContractID, timeout time.Duration) (pruned, remaining uint64, err error) {
+func (c *Client) RHPPruneContract(ctx context.Context, contractID types.FileContractID, timeout time.Duration) (pruned, remaining uint64, err error) {
 	var res api.RHPPruneContractResponse
-	err = c.c.WithContext(ctx).POST(fmt.Sprintf("/rhp/contract/%s/prune", fcid), api.RHPPruneContractRequest{
+	err = c.c.WithContext(ctx).POST(fmt.Sprintf("/rhp/contract/%s/prune", contractID), api.RHPPruneContractRequest{
 		Timeout: api.DurationMS(timeout),
 	}, &res)
 	pruned = res.Pruned
@@ -87,12 +87,12 @@ func (c *Client) RHPReadRegistry(ctx context.Context, hostKey types.PublicKey, s
 }
 
 // RHPRenew renews an existing contract with a host.
-func (c *Client) RHPRenew(ctx context.Context, fcid types.FileContractID, endHeight uint64, hk types.PublicKey, siamuxAddr string, hostAddress, renterAddress types.Address, renterFunds, newCollateral types.Currency, windowSize uint64) (rhpv2.ContractRevision, []types.Transaction, error) {
+func (c *Client) RHPRenew(ctx context.Context, contractID types.FileContractID, endHeight uint64, hostKey types.PublicKey, siamuxAddr string, hostAddress, renterAddress types.Address, renterFunds, newCollateral types.Currency, windowSize uint64) (rhpv2.ContractRevision, []types.Transaction, error) {
 	req := api.RHPRenewRequest{
-		ContractID:    fcid,
+		ContractID:    contractID,
 		EndHeight:     endHeight,
 		HostAddress:   hostAddress,
-		HostKey:       hk,
+		HostKey:       hostKey,
 		NewCollateral: newCollateral,
 		RenterAddress: renterAddress,
 		RenterFunds:   renterFunds,
diff --git a/worker/worker.go b/worker/worker.go
index 81f4c4278..b537d448e 100644
--- a/worker/worker.go
+++ b/worker/worker.go
@@ -909,7 +909,7 @@ func (w *worker) slabMigrateHandler(jc jape.Context) {
 
 	// migrate the slab
 	numShardsMigrated, surchargeApplied, err := migrateSlab(ctx, w.downloadManager, w.uploadManager, &slab, dlContracts, ulContracts, up.CurrentHeight, w.logger)
-	if jc.Check("couldn't migrate slabs", err) != nil {
+	if err != nil {
 		jc.Encode(api.MigrateSlabResponse{
 			NumShardsMigrated: numShardsMigrated,
 			SurchargeApplied:  surchargeApplied,