diff --git a/docs/integrations/README.md b/docs/integrations/README.md
index cd487a9..50eac27 100644
--- a/docs/integrations/README.md
+++ b/docs/integrations/README.md
@@ -4,13 +4,31 @@ Connect to free safety-oriented APIs like Google Content Safety API, OpenAI Mode
 
 ## Built-in integrations
 
-For specific integration information, see that integration's documentation:
+For specific integration information and detailed requirements, see that integration's documentation:
 
-- [Google Content Safety API](google-content-safety.md)
-- [Hasher-Matcher-Actioner (HMA)](hma.md)
-- [NCMEC Reporting](ncmec.md)
-- [OpenAI Moderation API](openai-moderation.md)
-- [Zentropi CoPE](zentropi-cope.md)
+| Integration                     | Cost                   | Requirements                                                   |
+| ------------------------------- | ---------------------- | -------------------------------------------------------------- |
+| [Google Content Safety API]     | Free                   | API key, approval by Google[^CSAPI]                            |
+| [Hasher-Matcher-Actioner (HMA)] | Free                   | Your own hashes, and/or access to third-party hash banks[^HMA] |
+| [NCMEC Reporting]               | Free                   | CyberTip API key, approval by NCMEC[^ESP]                      |
+| [OpenAI Moderation API]         | Free[^OAI]             | OpenAI API key                                                 |
+| [Zentropi CoPE]                 | Free, paid options[^Z] | Zentropi API key                                               |
+
+[Google Content Safety API]: google-content-safety.md
+[Hasher-Matcher-Actioner (HMA)]: hma.md
+[NCMEC Reporting]: ncmec.md
+[OpenAI Moderation API]: openai-moderation.md
+[Zentropi CoPE]: zentropi-cope.md
+
+[^CSAPI]: Industry and civil society third parties seeking to protect their platform against abuse can [apply to access the Content Safety API](https://protectingchildren.google/toolkit-interest-form/?roost-coop). Mention in your application that you are using the Coop review tool. Applications are subject to approval and require accepting Google's terms and conditions.
+
+[^HMA]: You don’t need credentials or licenses for using your own hash banks, i.e. if you have your own collection of known violations. Access to each third-party hash requires access from that org; for example, NCMEC needs to provide Hash Sharing API credentials, Tech Against Terrorism provides access to their hash bank.
+
+[^ESP]: Requires [NCMEC ESP registration](https://esp.ncmec.org/registration) and approval to receive CyberTip API credentials
+
+[^OAI]: [Per OpenAI](https://help.openai.com/en/articles/4936833-is-the-moderation-endpoint-free-to-use), the API is completely free and does not count towards monthly usage limits.
+
+[^Z]: Zentropi text classifiers are free, and currently use the openly-licensed [CoPE-A-9B model](https://huggingface.co/zentropi-ai/cope-a-9b). The API supports all labelers you create, including free and optionally paid; see [Zentropi pricing details](https://zentropi.ai/subscription).
 
 ## Model cards
 
diff --git a/docs/integrations/google-content-safety.md b/docs/integrations/google-content-safety.md
index 8ff9414..7a9c188 100644
--- a/docs/integrations/google-content-safety.md
+++ b/docs/integrations/google-content-safety.md
@@ -6,7 +6,7 @@ The Content Safety API is an AI classifier which issues a Child Safety prioritiz
 
 Content Safety API users must conduct their own manual review in order to determine whether to take action on the content, and comply with applicable local reporting laws.
 
-Industry and civil society third parties seeking to protect their platform against abuse can sign up to access the Content Safety API. Applications are subject to approval. [Apply for an API key](https://protectingchildren.google/toolkit-interest-form/?roost-coop) and mention in your application that you are using the Coop review tool. Upon reviewing your application, Google will be back in touch shortly to take the application forward if you qualify.
+Industry and civil society third parties seeking to protect their platform against abuse can [apply to access the Content Safety API](https://protectingchildren.google/toolkit-interest-form/?roost-coop). Mention in your application that you are using the Coop review tool. Applications are subject to approval and require accepting Google's terms and conditions.
 
 Coop currently supports image classification through the Google Content Safety API for the following file types:
 
@@ -31,7 +31,7 @@ The response contains 1 of 5 priorities:
 | HIGH          |
 | VERY_HIGH     |
 
-The higher the priority, the more likely the image may be abusive content. However, this is an indication and not a confirmation of it. You must always do a manual review to confirm and avoid false positives. This signal is only available for manual routing rules and not automated action rules.
+The higher the priority, the more likely the image may be abusive content. However, this is an indication and not a confirmation of it. **You must always do a manual review to confirm and avoid false positives.** As such, this signal is only available for manual routing rules and not automated action rules.
 
 ## Best practices