diff --git a/legacy/src/services/clearbit-client.ts b/legacy/src/services/clearbit-client.ts
index c945df14..52337f70 100644
--- a/legacy/src/services/clearbit-client.ts
+++ b/legacy/src/services/clearbit-client.ts
@@ -5,9 +5,9 @@ import type { DeepNullable, KyInstance } from '../types.js'
 import { assert, delay, getEnv, throttleKy } from '../utils.js'
 
 export namespace clearbit {
-  // Allow up to 20 requests per minute by default.
+  // Allow up to 600 requests per minute by default.
   export const throttle = pThrottle({
-    limit: 20,
+    limit: 600,
     interval: 60 * 1000
   })
 
@@ -535,7 +535,8 @@ export class ClearbitClient {
     this.ky = throttledKy.extend({
       timeout: timeoutMs,
       headers: {
-        Authorization: `Basic ${Buffer.from(`${apiKey}:`).toString('base64')}`
+        // Authorization: `Basic ${Buffer.from(`${apiKey}:`).toString('base64')}`
+        Authorization: `Bearer ${apiKey}`
       }
     })
   }
@@ -546,7 +547,6 @@ export class ClearbitClient {
         searchParams: { ...options }
       })
       .json<clearbit.CompanyResponse>()
-      .catch((_) => undefined)
   }
 
   async companySearch(options: clearbit.CompanySearchOptions) {
@@ -642,7 +642,7 @@ export class ClearbitClient {
       .catch((_) => undefined)
   }
 
-  async revealCompanyFromIp(ip: string) {
+  async revealCompanyFromIP(ip: string) {
     return this.ky
       .get('https://reveal.clearbit.com/v1/companies/find', {
         searchParams: { ip }
diff --git a/legacy/src/services/dexa-client.ts b/legacy/src/services/dexa-client.ts
index 6acf3cae..d43afb1d 100644
--- a/legacy/src/services/dexa-client.ts
+++ b/legacy/src/services/dexa-client.ts
@@ -19,7 +19,10 @@ export class DexaClient {
     timeoutMs?: number
     ky?: KyInstance
   } = {}) {
-    assert(apiKey, 'DexaClient missing required "apiKey"')
+    assert(
+      apiKey,
+      'DexaClient missing required "apiKey" (defaults to "DEXA_API_KEY")'
+    )
 
     this.apiKey = apiKey
     this.apiBaseUrl = apiBaseUrl
diff --git a/legacy/src/services/diffbot-client.ts b/legacy/src/services/diffbot-client.ts
index da90cba9..56afce90 100644
--- a/legacy/src/services/diffbot-client.ts
+++ b/legacy/src/services/diffbot-client.ts
@@ -351,7 +351,10 @@ export class DiffbotClient {
     throttle?: boolean
     ky?: KyInstance
   } = {}) {
-    assert(apiKey, `DiffbotClient missing required "apiKey"`)
+    assert(
+      apiKey,
+      `DiffbotClient missing required "apiKey" (defaults to "DIFFBOT_API_KEY")`
+    )
 
     this.apiKey = apiKey
     this.apiBaseUrl = apiBaseUrl
diff --git a/legacy/src/services/exa-client.ts b/legacy/src/services/exa-client.ts
index a516fe2d..76d0495e 100644
--- a/legacy/src/services/exa-client.ts
+++ b/legacy/src/services/exa-client.ts
@@ -143,7 +143,10 @@ export class ExaClient {
     apiBaseUrl?: string
     ky?: KyInstance
   } = {}) {
-    assert(apiKey, 'ExaClient missing required "apiKey"')
+    assert(
+      apiKey,
+      'ExaClient missing required "apiKey" (defaults to "EXA_API_KEY")'
+    )
 
     this.apiKey = apiKey
     this.apiBaseUrl = apiBaseUrl
diff --git a/legacy/src/services/people-data-labs-client.ts b/legacy/src/services/people-data-labs-client.ts
index 195f53be..4e74c79d 100644
--- a/legacy/src/services/people-data-labs-client.ts
+++ b/legacy/src/services/people-data-labs-client.ts
@@ -449,7 +449,10 @@ export class PeopleDataLabsClient {
     throttle?: boolean
     ky?: KyInstance
   } = {}) {
-    assert(apiKey, 'PeopleDataLabsClient missing required "apiKey"')
+    assert(
+      apiKey,
+      'PeopleDataLabsClient missing required "apiKey" (defaults to "PEOPLE_DATA_LABS_API_KEY")'
+    )
 
     this.apiKey = apiKey
     this.apiBaseUrl = apiBaseUrl
diff --git a/legacy/src/services/perigon-client.ts b/legacy/src/services/perigon-client.ts
index 54a863fe..23ed9501 100644
--- a/legacy/src/services/perigon-client.ts
+++ b/legacy/src/services/perigon-client.ts
@@ -273,7 +273,10 @@ export class PerigonClient {
     timeoutMs?: number
     ky?: KyInstance
   } = {}) {
-    assert(apiKey, 'Error PerigonClient missing required "apiKey"')
+    assert(
+      apiKey,
+      'PerigonClient missing required "apiKey" (defaults to "PERIGON_API_KEY")'
+    )
 
     this.apiKey = apiKey
 
diff --git a/legacy/src/services/proxycurl-client.ts b/legacy/src/services/proxycurl-client.ts
index 2de52eef..ab6e3dbb 100644
--- a/legacy/src/services/proxycurl-client.ts
+++ b/legacy/src/services/proxycurl-client.ts
@@ -7,7 +7,7 @@ import { assert, getEnv, throttleKy } from '../utils.js'
 
 // All proxycurl types are auto-generated from their openapi spec
 export namespace proxycurl {
-  // Allow up to 1500 requests per minute by default.
+  // Allow up to 300 requests per minute by default (enforced at 5 minute intervals).
   export const throttle = pThrottle({
     limit: 1500,
     interval: 5 * 60 * 1000
diff --git a/legacy/src/services/serpapi-client.ts b/legacy/src/services/serpapi-client.ts
index b84eab9e..659f5776 100644
--- a/legacy/src/services/serpapi-client.ts
+++ b/legacy/src/services/serpapi-client.ts
@@ -649,7 +649,10 @@ export class SerpAPIClient extends AIFunctionsProvider {
     apiBaseUrl?: string
     ky?: KyInstance
   } & serpapi.ClientParams = {}) {
-    assert(apiKey, 'Error SerpAPIClient missing required "apiKey"')
+    assert(
+      apiKey,
+      'SerpAPIClient missing required "apiKey" (defaults to "SERPAPI_API_KEY")'
+    )
     super()
 
     this.apiKey = apiKey
diff --git a/legacy/src/services/serper-client.ts b/legacy/src/services/serper-client.ts
index b4df6df4..7d0495d7 100644
--- a/legacy/src/services/serper-client.ts
+++ b/legacy/src/services/serper-client.ts
@@ -227,7 +227,7 @@ export class SerperClient extends AIFunctionsProvider {
   } & serper.ClientParams = {}) {
     assert(
       apiKey,
-      'SerperClient missing required "apiKey" (defaults to "SERPER_API_KEY" env var)'
+      'SerperClient missing required "apiKey" (defaults to "SERPER_API_KEY")'
     )
 
     super()