Data & Storage · Integration
JSON to XML Parser
Add JSON to XML Parser to your product for your customers, and give your AI agents governed access to it.
Embed a JSON to XML Parser step so your product can hand a customer's JSON payload to a system that only accepts XML, without writing a transform for every customer. Payload shapes differ per customer and change without notice, so the mapping between fields and elements is configuration rather than code and a change on their side does not need a release on yours. fastn runs the conversion inside the same governed flow as your other connectors, so every call is logged per tenant.
In your product
Embedded for your customers. Per-tenant auth, no per-customer code, maintained by fastn.
Convert a JSON payload from your product into the XML shape a customer's downstream system expects.
Keep the field to element mapping as per-customer configuration instead of a transform you maintain in code.
Chain the conversion between two connectors so a JSON source can feed an XML-only destination.
Validate the structure of an incoming payload before it is passed on, so bad data fails early.
For your AI agents
Governed, audited access for the agents you build, through the MCP server.
An agent converts a payload it assembled into XML before handing it to a downstream call.
An agent inspects the converted output to check the structure a target system will receive.
Every conversion runs inside governed permissions and is logged per tenant, so a transform is traceable.
Example prompt
Convert this JSON payload to XML and show me the element structure it produced.
Set up JSON to XML Parser in 4 steps
- 01Open the JSON to XML Parser connector from your fastn dashboard.
- 02Add it as a step in the flow that needs the conversion.
- 03Map how each customer's fields become elements and attributes, then enable the action.
- 04Call it from your product, or expose it to an agent through the MCP server.
Why teams use the JSON to XML Parser integration
What you get by embedding it with fastn instead of building it yourself.
- Ship a JSON to XML Parser step without building it. It converts a JSON payload to XML inside a governed workflow, so your product does not carry conversion code or its edge cases.
- Handle the part that actually costs time: attribute versus element mapping, namespaces, arrays with one member, and characters that must be escaped. Those are where hand-rolled conversion breaks.
- One step serves your product and your agents. The same governed workflow can convert on behalf of either, and every conversion is logged per tenant.
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How do I add a JSON to XML Parser step to my product?
Enable the JSON to XML Parser step in your fastn dashboard and place it in a workflow. There is nothing for a customer to authenticate, because it operates on the payload you hand it rather than on a third-party account. Setup is 4 steps.
Is there a JSON to XML Parser account to connect?
No. JSON to XML Parser is a step inside a workflow rather than a third-party service, so there is nothing for a customer to authorise. It runs on the payload you hand it, and each run is logged per tenant like any other action.
Can AI agents use this JSON to XML Parser integration?
Yes. The same connection is exposed to your agents through the fastn MCP gateway, with permissions scoped per tenant and every call audited. An agent converts a payload it assembled into XML before handing it to a downstream call.
Who maintains the JSON to XML Parser integration?
fastn does. When JSON to XML Parser changes an endpoint, deprecates a field or alters its auth, the fix lands in the connector rather than in your backlog, and your customers' connections keep working.
How is the XML shape controlled?
You configure the root element, how arrays and attributes are represented, and any namespaces, per tenant. That configuration is the whole integration, because the same JSON can map to several valid XML documents.
What can I build with the JSON to XML Parser integration?
A common starting point: convert a JSON payload from your product into the XML shape a customer's downstream system expects. Teams also use it for the other use cases listed above, and expose it to agents for governed reads and writes.
How much does the JSON to XML Parser integration cost?
It is included. Pricing is based on connected accounts, not on how many connectors you enable, so adding JSON to XML Parser does not change your per-connector cost. You can start free with 3 connected accounts.
Add JSON to XML Parser to your product
Start free with 3 connected accounts. No sales call required, and no per-customer integration code.